Why does Yellow + Blue make Green here instead of grey?

Physical paint absorbs wavelengths subtractively. ColorQueue models 8-band Kubelka-Munk pigment optics so artist tube ratios mix like real acrylic, oil, and watercolor paint.

Interactive Color Mixing Chart & Subtractive Paint Ratio Calculator

Interactive acrylic, oil, and watercolor paint mixing chart using real subtractive Kubelka-Munk pigment math (Yellow + Blue = Green!). Explore 40 exact paint recipes.

Active Color Swatches & Shades

#0066FF — HEX, RGB, HSL & Shade Scale
#FF2E63 — HEX, RGB, HSL & Shade Scale
#F59E0B — HEX, RGB, HSL & Shade Scale
#10B981 — HEX, RGB, HSL & Shade Scale
#06B6D4 — HEX, RGB, HSL & Shade Scale