Home Color Guides What Colors Make Black
True black is the one color pigment mixing never quite reaches — stack pigments and you get rich charcoal, not void. But those near-blacks are genuinely useful, and each route has a temperature: the all-primaries blend is the textbook answer, complementary pairs give you warm and cool versions. All computed below.
#70697c Ratio 1 : 1 : 1 · 33 / 33 / 33
Blend path between your colors
color-mix(in oklab, #ff0000 50%, #008000) Pigments absorb light, and a perfect black would absorb everything. Real pigments each leave some wavelengths unabsorbed, so every blend leaks a little color — the deepest mix below still leans slightly violet. That is not failure; artists pay for mixes like this under names like neutral tint.
The two mechanisms worth knowing: combining all three primaries stacks three absorptions, and combining complementary pairs (red-green, blue-orange) cancels hue the same way. The commercial answer — carbon black, mars black pigment — is soot ground in oil, which is why it is truly neutral and truly cheap.
Every result below is computed in a perceptual color space: the swatch is the blend your eye sees, with the HEX code next to it. Click any code to copy it.
Red + yellow + blue: the school answer, landing on a warm violet-gray.
It works, and it is the least controllable route — small ratio changes swing the temperature. The computed landing spot is a dusty violet-taupe, a shade warmer than most people expect.
The complementary pair cancels hue and leaves a warm, olive-leaning dark.
Because green already contains yellow, this route lands warm — an umber-chocolate territory rather than gray. Good when your "black" should sit next to earth tones.
Swap the yellow for blue: the darkest, most neutral mix on the page.
Blue does the absorbing that yellow was leaking. This is the practical "mixed black" — a soft charcoal with a cool bias, and the closest any blend here comes to neutral.
Mix all three primaries (red, yellow, blue) for a warm charcoal, or a complementary pair like red and green for a darker, warmer version. The deepest blend here is red, green and blue together. True neutral black comes from carbon pigment, not mixing.
For acrylic or oil: the red-green-blue blend gives a controllable soft black; commercial tubes use carbon black or mars black pigment for a neutral, opaque result. Mixed blacks shine as shadow colors because their slight color bias unifies a painting.
Take any near-black route above and add white — equal parts black and white give a medium gray. Warm and cool grays come from the warm (red-green) and cool (three-color) black routes respectively.
Start from chocolate buttercream, not white — a dark base means far less black gel. Add black gel, then let it rest: black frosting deepens over an hour. The full method is on the black frosting page.