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Old 07-19-2006, 09:20 AM
*Becca* *Becca* is offline
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Mixing acrylics and gouache?

I just wondered if it was possible to mix acrylic paint with gouache. I paint using gouache, but i'm going to run out of white soon and i don't know anywhere round here that sells gouache in individual tubes, just in packs of lots of different colours. So would it be possible to mix white acrylic with gouache colours, or is that likely to cause a disaster?
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Old 07-19-2006, 10:52 AM
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Brian Firth Brian Firth is offline
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Re: Mixing acrylics and gouache?

Yes, you can mix gouache and acrylics. However, certain gouache colors, mainly pinks and violets, can react with the alkaline acrylic. You just need to test the colors mixtures before applying them. Any mixture that gets thick and lumpy is having a reaction. Winsor and Newton have information on this on their website under the Gouache section, download the "general" article and look at the "making gouache waterproof" section.
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Old 07-19-2006, 11:12 AM
dhinky dhinky is offline
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Question Re: Mixing acrylics and gouache?

can you please explain to me, what gouchew is, and whAT sort of paint is used? is it water-soluble? i paint with thick texture, using acrylic s. how does this dffer?
, Amy
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Old 07-19-2006, 12:12 PM
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Re: Mixing acrylics and gouache?

Quote:
Originally Posted by dhinky
can you please explain to me, what gouchew is, and whAT sort of paint is used? is it water-soluble? i paint with thick texture, using acrylics. how does this dffer? Amy

Amy, I consider gouache a different medium. It comes in pans and tubes. I think it's more like an opaque watercolor. It is water soluble. And I've heard some people mix acrylic and watercolor paints, so I guess Becca is thinking along the same lines. I've never tried it, so I can't answer Becca's question.
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Old 07-19-2006, 12:27 PM
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Quote:
Originally Posted by Brian Firth
Yes, you can mix gouache and acrylics. However, certain gouache colors, mainly pinks and violets, can react with the alkaline acrylic. You just need to test the colors mixtures before applying them. Any mixture that gets thick and lumpy is having a reaction. Winsor and Newton have information on this on their website under the Gouache section, download the "general" article and look at the "making gouache waterproof" section.
Thanks for that Brian, good info.

This should become obvious when you try it Becca but when using an insoluble medium like acrylic with a soluble medium like gouache any direct mixtures of the two tend to have a blend of the working properties. In short: if the mixture is mostly acrylic it'll still be waterproof; if the mixture has more gouache in it it'll tend to be soluble when dry. So you may need to factor this in when working in layers or on adjacent areas.

Quote:
Originally Posted by dhinky
can you please explain to me, what gouchew is...
Amy, gouache is basically opaque watercolour.

If you see a reference to bodycolour in older books or in relation to older works ("Watercolour with bodycolour" in the description of a painting) it often means the same thing.

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