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Questions tagged [pigments]

For questions about art pigments, such as those used to mix custom paint.

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11 votes
1 answer

What's the difference between a pigment and a dye?

When it comes to art, I see both terms quite frequently, but nobody ever really stops to explain the difference. What, then, is the difference between a pigment and a dye? Is it source? Usage? Or ...
Joanne C's user avatar
  • 3,423
8 votes
1 answer

How can I make egg-tempera that doesn't deteriorate?

I've been working with a traditional egg-tempura technique that I was taught, but I have had some problems with the paintings later on. The recipe is essentially one egg-yolk (without the yolk's ...
A. Staffelbach's user avatar
6 votes
3 answers

Are there every-day substances that can be used to color 2-component epoxy adhesive?

I would like to repurpose a 2K epoxy adhesive in a kind of casting resin: I've got to pour in a small electrical switch into a wooden hole that was drilled too large. The adhesive is transparent, that ...
Madamadam's user avatar
  • 235
6 votes
1 answer

How to ferment green indigo powder to make it blue

I have bought indigo powder to color my soaps blue (cold/hot process saponification). Unfortunately I received something which color is closer to match than blue jeans... After some internet research ...
Oneira's user avatar
  • 1,333
5 votes
4 answers

Why do artists use pigments instead of dyes in paintings?

Is there a reason why many famous paintings and artists use pigments instead of dyes as colorants? Some pigments are quite expensive and I am not sure why artists chose them over dyes, which are ...
CoffeeIsLife's user avatar
4 votes
1 answer

How can I know what chemicals are there in a 'hue', for example viridian hue?

Often, some harmful pigments are replaced by a safer 'hue' version. But what exactly is there in this hue colour? Is one supposed to blindly trust the manufacturer on this? There is no specification ...
Prem's user avatar
  • 141
2 votes
0 answers

Will mixing thermochromic pigments, of which one becomes transparent, result in a more faded color for the other?

I want to create a blend of thermochromic pigments, specifically a black pigment that becomes "colorless" at 100F and a red pigment that becomes "colorless" at 113F. My desired end ...
Max Candocia's user avatar