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Old 07-19-2019, 01:17 PM
Anne Roy Anne Roy is offline
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Black and white oil painting

Hello, I want to do a black and white oil painting portrait. The black (Ultramarine blue and burnt umber). Is there another color in it for a nice black? Plus white to make the grey. In my grey, there is a tint of blue which I am not sure if it is ok when it come to paint the skin. To take off that blue, do I add the complement of blue? Is there other colors that I should add in the white ? I was wondering what makes the warm and cool colors when it’s black and white. I made once with a teacher a portrait a few years ago and I compare my colors with that portrait and it’s different. Thank you in advance for your advice.
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Old 07-19-2019, 02:25 PM
TomMather TomMather is offline
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Re: Black and white oil painting

I mix black and grays with ultramarine and burnt umber all of the time. For warmer grays, just use more burnt umber, or burnt sienna for even warmer hues. For cooler grays, more ultramarine.
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Old 07-19-2019, 02:41 PM
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Humbaba Humbaba is offline
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Re: Black and white oil painting

Quote:
Originally Posted by Anne Roy
In my grey, there is a tint of blue which I am not sure if it is ok when it come to paint the skin. To take off that blue, do I add the complement of blue?

You can add a tiny amount of red to neutralize the blue in your mix.

A black mentioned in books is:

Red + Green + Burnt Umber or Raw Umber.

Last edited by Humbaba : 07-19-2019 at 02:44 PM.
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Old 07-19-2019, 03:33 PM
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Pinguino Pinguino is offline
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Re: Black and white oil painting

Don't be afraid to actually use black, if you have it! Or, you can continue by mixing to black.

Depending on which pigment black you use (and perhaps which white), a mix of black and white may be a slightly bluish gray. This is easily fixed by adding a suitable earth color.

Based on traditional (film) and digital photographs, I have noticed that my own perception as to whether a gray is warm or cool, depends on the lightness of the gray. I see darker grays as warm, and lighter grays as cool. Your perception may differ. This is probably the opposite of what is desirable in painting, where we would expect darks to be cooler than lights. So, you may have to add a variable amount of earth color, depending on light or dark gray.

The trouble with mixed blacks based on red + green, is that slight variations make the result lean red or green. This is probably not desirable, for most compositions. Better to stick with blue and an earth color, because deviations to blue or earth will look more natural.

Last edited by Pinguino : 07-19-2019 at 03:35 PM.
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Old 07-20-2019, 10:44 AM
AllisonR AllisonR is offline
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Re: Black and white oil painting

If you are using burnt umber and ultramarine then that is all you need. Add slightly more umber to the flesh areas and then slightly more ultramarine to the other areas and voila - you will have warm flesh next to a cool background. Nothing else needed.
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Old 07-21-2019, 08:38 PM
Anne Roy Anne Roy is offline
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Re: Black and white oil painting

I want to say thank you to everyone for your advices. I think that I will be more confident when I will work on it.
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Old 07-22-2019, 02:11 AM
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Gigalot Gigalot is offline
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Re: Black and white oil painting

Phthalo Green + Permanent Alizarin will mix deep Black. Dioxazine Purple is also a good base to mix Black and Brown.
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Old 07-22-2019, 02:51 AM
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Ellis Ammons Ellis Ammons is offline
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Re: Black and white oil painting

I would go with ivory black and transparent white

Ivory black because undertones of ultramarine can show up in unwanted places like highlights.

transparent white because t.white can look chalky especially if your doing any sort of layering/glazing. Kinda want to try lead white myself
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Old 07-26-2019, 08:20 PM
Anne Roy Anne Roy is offline
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Re: Black and white oil painting

Good evening everyone, I want to say thank you for the informations. I only did 2 layers and for the skin I used the transparent white. I am making experienced with the informations of everyone and it will guide me .
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Old 07-26-2019, 08:46 PM
JCannon JCannon is offline
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Re: Black and white oil painting

My black is often Prussian blue mixed with Raw or Burnt Umber (whichever is darkest).
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Old 08-06-2019, 03:40 PM
Anne Roy Anne Roy is offline
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Re: Black and white oil painting

I will try Prussian blue also on the palette to see the result. I won’t use it for this painting since I already work with other information. Thank you for it. People, in this forum are so kind , wish one day I will be able to help others too. Have a good day
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