What color does red and green make?
Equal parts red and green produce yellow in light, brown in paint (#a66900 (Sienna)). The blend is computed in the Oklab color space, so the steps between the two colors look evenly spaced to your eye rather than to the raw channel math.
#a66900 - HEX
- #a66900
- RGB
- rgb(166, 105, 0)
- HSL
- hsl(38, 100%, 33%)
- CMYK
- cmyk(0%, 37%, 100%, 35%)
color-mix(in oklab, #ff0000 50%, #008000) Red to Green: every ratio
How much of each color you use moves the answer along the blend path. The perceptual midpoint is the 50/50 row; the others show what a 3:1 ratio does in either direction.
Lighter and darker versions
Tint the mix toward white or shade it toward black and you get a small palette that all clearly belongs to the same family:
#bd8e56 Tint #d4b38f 50/50 mix #a66900 Shade #3e2400 Darker #704500 Paint vs. screen: why the medium matters
Shine red and green light on the same spot and a screen adds them toward yellow — that is literally how your TV makes yellow, since it has no yellow pixel. Mix red and green paint and each pigment absorbs the other’s light, leaving brown or olive.
About these two colors
Red #ff0000 — A primary of both light and paint — the color of blood, stop signs, and urgency.
Green #008000 — Blue plus yellow in paint; the color the human eye can distinguish the most shades of.
Want to blend these with different colors entirely? Open the full color mixer, or convert #a66900 to RGB, HSL or CMYK.
Related mixes
See all color mixes for the full directory.
Frequently asked questions
Does red and green make yellow in light?
Yes — equal parts give yellow in light, brown in paint, around #a66900. The exact shade depends on your ratio: red-heavy mixes lean toward #d45000 and green-heavy mixes toward #717800.
What is the HEX code for red and green mixed?
A 50/50 perceptual mix is #a66900 (Sienna). If you need it in CSS, the mixer above generates a ready-to-paste color-mix() snippet: color-mix(in oklab, #ff0000 50%, #008000).
What does red and green make in paint vs. on a screen?
Shine red and green light on the same spot and a screen adds them toward yellow — that is literally how your TV makes yellow, since it has no yellow pixel. Mix red and green paint and each pigment absorbs the other’s light, leaving brown or olive.
How do I make the yellow in light mix lighter or darker?
Mix the result with white to tint it — 50% white gives about #d4b38f — or with black to shade it, where 50% black gives about #3e2400. The strip above shows the full run from lighter to darker.