Morrison thank you so much! I like the color mixes as well, a lot of fun...Thanks for participating to discussion! Have a lovely weekend (we are almost there) :) Elisabetta
❤ great video. I love seeing them all together like that. I always keep cobalt blue on my palette. It’s great for portraits - when you might not want the granulation of pb29. I LOVE pb74! I have winsor and Newton. If you get the opportunity- Daniel smith pb36 is reallllly nice.
Ultramarine is a more beautiful gem-like color and people buy it as the default blue. It is encouraged by being cheaper than Cobalt. However, we should never choose colors because they are pretty. Cobalt Blue is a far more useful blue than Ultramarine. Good for mixing violets. Fantastic for sky colors. And makes good earthy greens for landscape. Such a pity it has become so expensive. It wasn't so bad back in the early to mid 20th century, but since the mid 1950's the price has steadily climbed. This is because Cobalt is a necessary component of the alloys used in making turbine blades in jet engines. While there are other known alloys with similar heat resistant properties, cobalt alloys are in high demand due to cost and ease of manufacture. There has been rapid increase in world cobalt production but during the last 25 years demand has been growing faster than production because the other major usage for cobalt is in lithium ion batteries, and lithium battery production is growing very rapidly. These industrial demands for cobalt have been squeezing pigment production and forcing pigment prices up. Blame jet aircraft and the battery in your phone. Cobalt blues have been used for at least five thousand years making it one of the oldest pigments, however the metal itself was not known, as it only naturally occurs in compounds, and since many of those compounds contain bismuth, it was presumed that the color came from the bismuth. These same compounds usually also contained arsenic, and I do not know why they didn't assume that the color came from that instead. The arsenic, however, is connected to the name. For centuries before the discovery of the cobalt metal, the production of the color was associated with evil and the underworld. This is because in producing the blue color the arsenic caused toxic arsenic oxide fumes to be released and many miners would get sick or die. Thus it was referred to as the goblin mineral in various languages. The mineral was thought to be cursed, and it was said that the mineral was created underground by evil goblins. The German word for that was cobald, which literally means goblins. When the metal was isolated in 1735 by Georg Brandt, a Swedish chemist, he used the German word for the ore, probably because the ore that he was working on in Stockholm had been mined in Germany. Cobald became Cobalt in English, because why spell it correctly when you can annoy the Germans by misspelling it? :) It was Brandt who was able to demonstrate that the blue color is due to the cobalt metal and that bismuth had nothing to do with it. There had been seven metals known since ancient times, and cobalt was the first new metal discovered for thousands of years. It's discovery lead to the discovery of large numbers of new metals over the following couple of centuries and is seen as the start of modern metallurgy. Thus cobalt can be considered a very important metal in the history of chemistry and our modern usage of metals. Brandt is also famous for debunking Alchemy. He apparently had a pet peeve about alchemists claims about using pseudo-scientific methods in an attempt to produce metals by transmutation. He used his discovery of cobalt to publicly demonstrate that using actual chemistry he could really produce a new metal while the alchemists had many claims, but failed to produce testable results. It was the beginning of the end for alchemy. I know you enjoy these little extra historic stories, Elisabetta :) Hope you and family are well.
@@WatercolorElisabetta If you were in Sydney you could come to some of my art history lectures. I have two scheduled for first semester next year - The Origin of Meaning in At: Prehistoric Art Through Modern Eyes, and The Secret Leonardo da Vinci: What Made a Flawed Genius Tick? I am sure you would enjoy them. This is the sort of thing I do.
I would really enjoy it, especially after 2 years of pandemic! I live exactly on the opposite side of the world!! I have visited many countries but never been to Australia. The closest I have been is watching an old film that I adored, Picnic at Hanging Rock. Thank you for the invitation! That would be awesome.
That's an amazing comparison, thank you! Btw, seems like you're doing a series here, so I was wondering if it it's in your plans doing a PR122 Quinacridone Magenta/Quinacridone Lilac comparison (and if you could compare PR122 brands like Daniel Smith, W&N and Roman Szmal it would be awesome)
For pb28 I prefer warmer version like Schmincke, holbein and davinci(maybe hard to purchase in Europe). A good color to get nice delicate grey mixes with burnt sienna or burnt umber or mix with quin gold for shadow color.
Lovely comparison! I definitely use ultramarine more than cobalt blue but I’m trying to use it more. Your video has certainly given me some ideas of which ones to try 😊
Elizabetta, Could you tell me what you would say would be the clearest cobalt colour, no streaks and no granulation that you have there? I prefer red leaning blue. I like my skies to be really flat in transition. If I mix with a raw sienna, Pb24 or a non granulating ochre, I don't want to get green, rather a mix of non granulating, flat, colour! I often add a touch of white to get the non granulation too.... Thank you for your work and time, one would think there isn't much difference in hue, but clearly there is! In kindred spirit Eliza in Australia xx
Hello Eliza! Definitely the Rosa Gallery! it would be perfect for sky as it moves so well on paper and it's quite smooth. Thank you for commenting! I wish you happy painting :) ELisabetta
@@WatercolorElisabetta Ah, thank you so much, I haven't got any of these from the Ukraine yet. I am glad I asked, as on the video, we see it a bit differently to your eyes. Have a lovely week, Elizabetta! Paint well and often! from our Spring in Australia Eliza xx
Oh just a few more questions about the Rosa Gallery, thanks so much, Elisabetta! Do you like them in pans (sticky?) or in tubes? I can't find that they have honey in them? eg here in Sydney humidity at 80-90 percent in Summer, so a lot of my handmade ones are always wet in pans stored, white nights are tacky in pans when they arrive so we stick them in the freezer, M Graham would be too wet here, and I don't much like them when they are sticky and gooey, so I stay away from them. I can handle tacky. But in a tube, it looks thinner consistency, but then I wouldn't have to worry about drying them? I like Qor, and it seems like the Rosa Gallery do move and flow, so that is something I love. The clear colours of Rosa Gallery, look clearer than the Schmincke or W & N in general! When you mix the Rosa Gallery yellow ochre PY 42 & 43 with a cobalt blue, does it stay grey? Or do you recommend a Pbr6 or 7 in the range for my blue sky mix, clearest grey? Naples Yellow, or Raw sienna? Burnt Sienna or Umber? The Rosa gallery seems to have some lovely clarity, and the pigments seem to be doing slightly different things to what is expected from them? In our sky here, we have a warm blue clear blue sky, the bottom close to the horizon has a glow. Our clouds glow with a warmth that feels like getting hugged. :) Lovely to chat to a collector, we all know how to talk the talk. A real sense of belonging to the pigment people! Thanks again! In kindred spirit, Eliza Dulwich Hill xx
Thank you again for your videos. I love cobalt blue, and want you to suggest trying sennelier dark cobalt blue, made up with PB72. It is a dark, intense and granulating color, a bit similar to Maimeri's PB74, but more intense. It is clearly different from ultramarine, though. I love it.
My favorite triad is actually Cobalt Blue (PB28), Quin. Rose / Permanent Rose (PV19) and Benzimidazolone Yellow (PY154). It's also lovely when it's mixed with Cadmium Orange and Venetian Red.
Il blu cobalto è il colore che consumo di più in assoluto.... straordinaria e utilissima la comparazione,mi sono innamorata del Daniel Smith e adoro il Mr Graham
Hello Johanne! Its maybe greener than Prussian Blue, and more granuating. It's very beautiful and worth trying if you have the opportunity. Take care and thanks for your participation in my channel!
Thank you for your very interesting videos. I'm not sure whether you are aware that the Schmincke PB 74 was discontinued. It is not in their most recent color card. They only have the cobalt blue light, and the hue. They call their PB 36 a cerulean, which I think is much more appropriate. I think from your swatches one can very well see that the PB 36 varietiy does not belong in this color family. Too green for that. When I bought my Sennelier Aquafine set of 12 I was so frustrated they did not give me an Ultramarine, but Cobalt blue instead. This was when I didn't know that much about colors as I do today - and now I think this is a good alternative to Ultramarine, especially for skies. Usually the sky is not so warm blue as Ultramarine. Don't get me wrong, I do love blue in all its varieties, but I find that pure Ultramarine has less uses for me than the colder blues, as it looks more unnatural. Of course Ultramarine is still a staple for mixing. I might make my own comparison chart of mixes of all the different Cobalts, but I would put in an Ultramarine, and a Phtalo as well for more comparison, and perhaps a different cool red. Seems I have a plan for the afternoon! Thanks again for all the hard work you put in these videos.
I agree with you, cobalt is definitely an acquired taste… ultramarine is easier to appreciate. Yes, PB36 doesn’t fit very well, but as Maimeri calls it Cobalt Blue, I thought it was interesting to swatch it. Stay tuned for next video about Cerulean blue! Have a lovely weekend and happy swatches!! Thanks a lot for participating in the conversation.
@@WatercolorElisabetta They are really wonderful and have a range of interesting colors that are granulating and separating. 👏🏼 Have a lovely weekend too. 🤗
You are so kind-hearted to not review a White Nights paint box at this time. Thank you for your compassion & consideration. I love these deep looking/swatching of similar colors/pigments & look forward to many more!
It is important for all peoples in the free world to support Ukraine in their time of need. It is a happy coincidence that Rosa Gallery is such good paint.
I really appreciate you taking a stand for Ukraine. I really like White Nights but you are right that supporting them means more income to the Russian state and thus helping fund the war.
Per me fare una prova colori di qualità artista su carta di cellulosa non ha senso in quanto la bassa qualità della carta spegne i colori livellandoli tutti verso il basso, ne si vedono le vere proprietà di granulazione dei colori. Solo carta 100% cotone evidenzia le vere proprietà dei pigmenti. Peccato una interessante analisi che per questo dettaglio non serve a nulla.
Forse hai ragione, ne terrò conto. Tengo da molto tempo un quaderno delle prove colore ed ho semplicemente deciso di pubblicare dei video del mio quaderno. Un utile consiglio il tuo (detto in maniera decisamente molto franca 😰)…buon weekend! Anche se hai ferito il mio orgoglio 😉
@@WatercolorElisabetta Mi spiace se ho ferito il tuo orgoglio, ma dato che mi sembri e ti proponi come una professionista dell'acquarello bisogna ambire alla perfezione, al miglioramento continuo, attraverso prove ed errori. Esistono sketchbook in Puro Cotone, e non costano tanto più dei colori che hai testato. Puoi cirreggere il video aggiungendo un nuovo foglio di prove con carta 100% cotone e rifare le tue valutazioni su questo nuovo supporto, e confrontare la resa tra Carta cellulosa e cotone. Non so se c'è qualcuno che dipinge con colori così costosi e pregiati come questi su carta cellulosa, a mio avviso chi investe così tanto in questa tipologia di colori dipinge solo su carta 100% cotone, altrimenti per allenamento su carta cellulosa si usano colori Accademia come i Cotman o i Van Gogh (ottimi colori comunque).
@@gunther744 ma scherzavo! No certo è un buon consiglio ed anche io ci rifletto da tempo, può essere come suggerisci argomento di un video! Buon weekend!
I love blue watercolors, this video is heaven!
So do I! ❤️thank you!
Elisabetta, you have been killing it lately with yours videos. This one is also very well done. I especially like the color mixes. Great job! :)
Morrison thank you so much! I like the color mixes as well, a lot of fun...Thanks for participating to discussion! Have a lovely weekend (we are almost there) :) Elisabetta
❤ great video. I love seeing them all together like that. I always keep cobalt blue on my palette. It’s great for portraits - when you might not want the granulation of pb29. I LOVE pb74! I have winsor and Newton. If you get the opportunity- Daniel smith pb36 is reallllly nice.
Thank you very much for your words and for sharing your preferences. I will have a look to that DS ❤️
Thank you so much for this wonderful presentation of Cobalt Blues. I definitely got some ideas now about new paints I would like to buy.
Thank you Alexandra for saying this! Have a lovely weekend with some shopping for art supplies!
Thanks for the swatches and the mixes. I found it very useful. It’s interesting how green the PB74 and cadmium yellow mix is.
Thank you my friend! Glad you liked it 🙂
@@WatercolorElisabetta 🙏😃
This was great, thank you for posting it! I think I just fell in love with PB74! I really like the mixes you showed. Fantastic video!
Thank you so much!! Cobalt Colours are amazing and I just recently discovered the whole range. Take care !
Another brilliant video, thanks 🙂😍
Thank you so much Anja ❤️
Hello. Thank you for comparing so many similar colors. I love how each brand is uniquely different. :)
Thank you so much Tracy. I also like to swatch side by side because i never perceived such a difference before!! Take care! Elisabetta
Hi Tracy 👋🏼
@@WatercolorElisabetta Yes. You really need to see them all together to catch the variations. 🤩
@@awatercolourist Hello Friend. 👋 Fancy meeting you here ogling cobalt blues together. 🤣
@@TracyIndy 😄😄
I love my PB 74 from Schmincke!❤
Schminke colours are very beautiful. It’s easy to fall in love ! Thank you so much for your comment Martina.
Ultramarine is a more beautiful gem-like color and people buy it as the default blue. It is encouraged by being cheaper than Cobalt. However, we should never choose colors because they are pretty. Cobalt Blue is a far more useful blue than Ultramarine. Good for mixing violets. Fantastic for sky colors. And makes good earthy greens for landscape.
Such a pity it has become so expensive. It wasn't so bad back in the early to mid 20th century, but since the mid 1950's the price has steadily climbed. This is because Cobalt is a necessary component of the alloys used in making turbine blades in jet engines. While there are other known alloys with similar heat resistant properties, cobalt alloys are in high demand due to cost and ease of manufacture. There has been rapid increase in world cobalt production but during the last 25 years demand has been growing faster than production because the other major usage for cobalt is in lithium ion batteries, and lithium battery production is growing very rapidly.
These industrial demands for cobalt have been squeezing pigment production and forcing pigment prices up. Blame jet aircraft and the battery in your phone.
Cobalt blues have been used for at least five thousand years making it one of the oldest pigments, however the metal itself was not known, as it only naturally occurs in compounds, and since many of those compounds contain bismuth, it was presumed that the color came from the bismuth. These same compounds usually also contained arsenic, and I do not know why they didn't assume that the color came from that instead. The arsenic, however, is connected to the name.
For centuries before the discovery of the cobalt metal, the production of the color was associated with evil and the underworld. This is because in producing the blue color the arsenic caused toxic arsenic oxide fumes to be released and many miners would get sick or die. Thus it was referred to as the goblin mineral in various languages. The mineral was thought to be cursed, and it was said that the mineral was created underground by evil goblins.
The German word for that was cobald, which literally means goblins. When the metal was isolated in 1735 by Georg Brandt, a Swedish chemist, he used the German word for the ore, probably because the ore that he was working on in Stockholm had been mined in Germany. Cobald became Cobalt in English, because why spell it correctly when you can annoy the Germans by misspelling it? :) It was Brandt who was able to demonstrate that the blue color is due to the cobalt metal and that bismuth had nothing to do with it.
There had been seven metals known since ancient times, and cobalt was the first new metal discovered for thousands of years. It's discovery lead to the discovery of large numbers of new metals over the following couple of centuries and is seen as the start of modern metallurgy. Thus cobalt can be considered a very important metal in the history of chemistry and our modern usage of metals.
Brandt is also famous for debunking Alchemy. He apparently had a pet peeve about alchemists claims about using pseudo-scientific methods in an attempt to produce metals by transmutation. He used his discovery of cobalt to publicly demonstrate that using actual chemistry he could really produce a new metal while the alchemists had many claims, but failed to produce testable results. It was the beginning of the end for alchemy.
I know you enjoy these little extra historic stories, Elisabetta :) Hope you and family are well.
Thank you! This was interesting but also good fun! You’re always welcome to add your historic anecdotes 😄
@@WatercolorElisabetta If you were in Sydney you could come to some of my art history lectures. I have two scheduled for first semester next year - The Origin of Meaning in At: Prehistoric Art Through Modern Eyes, and The Secret Leonardo da Vinci: What Made a Flawed Genius Tick? I am sure you would enjoy them. This is the sort of thing I do.
I would really enjoy it, especially after 2 years of pandemic! I live exactly on the opposite side of the world!! I have visited many countries but never been to Australia. The closest I have been is watching an old film that I adored, Picnic at Hanging Rock. Thank you for the invitation! That would be awesome.
That's an amazing comparison, thank you! Btw, seems like you're doing a series here, so I was wondering if it it's in your plans doing a PR122 Quinacridone Magenta/Quinacridone Lilac comparison (and if you could compare PR122 brands like Daniel Smith, W&N and Roman Szmal it would be awesome)
Dear Alexsander, thank you very much. Actually, you can read my mind! yes, I'm planning a quinacridone series soon! stay tuned :) Elisabetta xx
For pb28 I prefer warmer version like Schmincke, holbein and davinci(maybe hard to purchase in Europe). A good color to get nice delicate grey mixes with burnt sienna or burnt umber or mix with quin gold for shadow color.
I have never tried Da Vinci. I know it’s lovely paint! I must try again the mix with quin Gold! I thought it gave a green! Thank you!
Lovely comparison! I definitely use ultramarine more than cobalt blue but I’m trying to use it more. Your video has certainly given me some ideas of which ones to try 😊
Cobalt is underrated! Thank you Sonya for your comment ❤️
Elizabetta,
Could you tell me what you would say would be the clearest cobalt colour, no streaks and no granulation that you have there? I prefer red leaning blue.
I like my skies to be really flat in transition.
If I mix with a raw sienna, Pb24 or a non granulating ochre, I don't want to get green, rather a mix of non granulating, flat, colour! I often add a touch of white to get the non granulation too....
Thank you for your work and time, one would think there isn't much difference in hue, but clearly there is!
In kindred spirit
Eliza in Australia xx
Hello Eliza!
Definitely the Rosa Gallery! it would be perfect for sky as it moves so well on paper and it's quite smooth. Thank you for commenting! I wish you happy painting :) ELisabetta
@@WatercolorElisabetta Ah, thank you so much, I haven't got any of these from the Ukraine yet. I am glad I asked, as on the video, we see it a bit differently to your eyes. Have a lovely week, Elizabetta! Paint well and often!
from our Spring in Australia
Eliza
xx
Oh just a few more questions about the Rosa Gallery, thanks so much, Elisabetta!
Do you like them in pans (sticky?) or in tubes? I can't find that they have honey in them?
eg here in Sydney humidity at 80-90 percent in Summer, so a lot of my handmade ones are always wet in pans stored, white nights are tacky in pans when they arrive so we stick them in the freezer, M Graham would be too wet here, and I don't much like them when they are sticky and gooey, so I stay away from them. I can handle tacky. But in a tube, it looks thinner consistency, but then I wouldn't have to worry about drying them? I like Qor, and it seems like the Rosa Gallery do move and flow, so that is something I love.
The clear colours of Rosa Gallery, look clearer than the Schmincke or W & N in general!
When you mix the Rosa Gallery yellow ochre PY 42 & 43 with a cobalt blue, does it stay grey? Or do you recommend a Pbr6 or 7 in the range for my blue sky mix, clearest grey? Naples Yellow, or Raw sienna? Burnt Sienna or Umber? The Rosa gallery seems to have some lovely clarity, and the pigments seem to be doing slightly different things to what is expected from them?
In our sky here, we have a warm blue clear blue sky, the bottom close to the horizon has a glow. Our clouds glow with a warmth that feels like getting hugged. :)
Lovely to chat to a collector, we all know how to talk the talk. A real sense of belonging to the pigment people! Thanks again!
In kindred spirit,
Eliza
Dulwich Hill
xx
Thank you again for your videos. I love cobalt blue, and want you to suggest trying sennelier dark cobalt blue, made up with PB72. It is a dark, intense and
granulating color, a bit similar to Maimeri's PB74, but more intense. It is clearly different from ultramarine, though. I love it.
I love granulating blues!! Sennelier is absolutely a love brand for me…thanks a lot for your advice Maria!
The W&N cobalt blue deep is so beautiful.
I agree! Totally underrated!
My favorite triad is actually Cobalt Blue (PB28), Quin. Rose / Permanent Rose (PV19) and Benzimidazolone Yellow (PY154). It's also lovely when it's mixed with Cadmium Orange and Venetian Red.
Thank you so much Christine! I will try the Venetian Red… do you get a grey?
@@WatercolorElisabetta You will get a grey with Cad. Orange and Venetian Red. But the grey with Venetian Red will be a purplish grey.
Thank you! 😄i will try it!
Il blu cobalto è il colore che consumo di più in assoluto.... straordinaria e utilissima la comparazione,mi sono innamorata del Daniel Smith e adoro il Mr Graham
Gli m. graham sono bellissimi ma si trovano solo da Jackson! ❤️
@@WatercolorElisabetta eh lo so.... Ma ne ho sentito dire benissimo anche da artisti che adoro..... inglesi ovviamente
Thank you Elisabetta! I really like the Maimeri PB36. Is the hue similar to Prussian blue?
Hello Johanne! Its maybe greener than Prussian Blue, and more granuating. It's very beautiful and worth trying if you have the opportunity. Take care and thanks for your participation in my channel!
Thank you!
Thank to you! I’m glad you appreciate it :)
Thank you for your very interesting videos. I'm not sure whether you are aware that the Schmincke PB 74 was discontinued. It is not in their most recent color card. They only have the cobalt blue light, and the hue. They call their PB 36 a cerulean, which I think is much more appropriate. I think from your swatches one can very well see that the PB 36 varietiy does not belong in this color family. Too green for that. When I bought my Sennelier Aquafine set of 12 I was so frustrated they did not give me an Ultramarine, but Cobalt blue instead. This was when I didn't know that much about colors as I do today - and now I think this is a good alternative to Ultramarine, especially for skies. Usually the sky is not so warm blue as Ultramarine. Don't get me wrong, I do love blue in all its varieties, but I find that pure Ultramarine has less uses for me than the colder blues, as it looks more unnatural. Of course Ultramarine is still a staple for mixing. I might make my own comparison chart of mixes of all the different Cobalts, but I would put in an Ultramarine, and a Phtalo as well for more comparison, and perhaps a different cool red. Seems I have a plan for the afternoon! Thanks again for all the hard work you put in these videos.
I agree with you, cobalt is definitely an acquired taste… ultramarine is easier to appreciate. Yes, PB36 doesn’t fit very well, but as Maimeri calls it Cobalt Blue, I thought it was interesting to swatch it. Stay tuned for next video about Cerulean blue! Have a lovely weekend and happy swatches!! Thanks a lot for participating in the conversation.
I like Roman Szmal paints are better than white night and have a great price point too. 🤗
Anika, I have seen beautiful reviews about this paint!! Thank you for your suggestion. Have a lovely weekend and thanks a lot for stopping by 😍
@@WatercolorElisabetta They are really wonderful and have a range of interesting colors that are granulating and separating. 👏🏼 Have a lovely weekend too. 🤗
You are so kind-hearted to not review a White Nights paint box at this time. Thank you for your compassion & consideration. I love these deep looking/swatching of similar colors/pigments & look forward to many more!
Dear Michele, thank you so much for your words. You’re always so kind! I really appreciate it. Thanks again and take care.
It is important for all peoples in the free world to support Ukraine in their time of need. It is a happy coincidence that Rosa Gallery is such good paint.
@@artistjoh it’s great paint and after the latest developments it’s even more important.
Holbein?
I didn’t have any Holbein when I published this video…too bad, because it’s really beautiful!!
First!
Thank you for supporting Ukraine 🇺🇦❤️
Always! You are our brothers and sisters 💙💛💙💛💙💛💙💛
I really appreciate you taking a stand for Ukraine. I really like White Nights but you are right that supporting them means more income to the Russian state and thus helping fund the war.
Per me fare una prova colori di qualità artista su carta di cellulosa non ha senso in quanto la bassa qualità della carta spegne i colori livellandoli tutti verso il basso, ne si vedono le vere proprietà di granulazione dei colori. Solo carta 100% cotone evidenzia le vere proprietà dei pigmenti. Peccato una interessante analisi che per questo dettaglio non serve a nulla.
Forse hai ragione, ne terrò conto. Tengo da molto tempo un quaderno delle prove colore ed ho semplicemente deciso di pubblicare dei video del mio quaderno. Un utile consiglio il tuo (detto in maniera decisamente molto franca 😰)…buon weekend! Anche se hai ferito il mio orgoglio 😉
@@WatercolorElisabetta Mi spiace se ho ferito il tuo orgoglio, ma dato che mi sembri e ti proponi come una professionista dell'acquarello bisogna ambire alla perfezione, al miglioramento continuo, attraverso prove ed errori. Esistono sketchbook in Puro Cotone, e non costano tanto più dei colori che hai testato. Puoi cirreggere il video aggiungendo un nuovo foglio di prove con carta 100% cotone e rifare le tue valutazioni su questo nuovo supporto, e confrontare la resa tra Carta cellulosa e cotone. Non so se c'è qualcuno che dipinge con colori così costosi e pregiati come questi su carta cellulosa, a mio avviso chi investe così tanto in questa tipologia di colori dipinge solo su carta 100% cotone, altrimenti per allenamento su carta cellulosa si usano colori Accademia come i Cotman o i Van Gogh (ottimi colori comunque).
@@gunther744 ma scherzavo! No certo è un buon consiglio ed anche io ci rifletto da tempo, può essere come suggerisci argomento di un video! Buon weekend!