Chartreuse #7FFF00
Chartreuse is a light, vivid green with hex code #7FFF00 and RGB rgb(127, 255, 0).
Aa
Black text reads best on this color (16.20:1).
About this color
#7FFF00 is a light, vivid green. In OKLCH its lightness is 89%, its chroma 0.265 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. It is the named color Chartreuse. Black text reads best on it, at 16.20:1.
| Hue family | Greens |
| Lightness | light (89%) |
| Chroma | vivid (0.265) |
| Temperature | in between |
| Nearest name | Chartreuse |
| Black text | 16.20:1 |
| White text | 1.29:1 |
Colors that go with Chartreuse
Matches found by rotating Chartreuse around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Chartreuse
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Chartreuse, closest first.
Similar named colors
The eight named colors closest to Chartreuse, with their ΔE distance.
- Bright Lime #87FD05 ΔE 0.008
- Lawn Green #7CFC00 ΔE 0.009
- Acid Green #8FFE09 ΔE 0.014
- Bright Lime Green #65FE08 ΔE 0.019
- Bright Yellow Green #9DFF00 ΔE 0.026
- Electric Lime #A8FF04 ΔE 0.038
- Poison Green #40FD14 ΔE 0.038
- Light Neon Green #4EFD54 ΔE 0.039
More about Chartreuse
How to make Chartreuse
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 2 parts yellow
- 2 parts white
- 1 part green
Recipe result: #B8DC53, a difference of ΔE 0.120 from Chartreuse. Chartreuse is more vivid than these paints can mix, so start from a ready-made green paint and adjust it.
Codes for Chartreuse in every format
| HEX | #7FFF00 |
| RGB | rgb(127, 255, 0) |
| HSL | hsl(90, 100%, 50%) |
| OKLCH | oklch(89% 0.265 136) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #7FFF00 | 1.29:1 | Fails | Lc -16.3 | Dividers and decoration only |
| Black text on #7FFF00 | 16.20:1 | AAA | Lc 89.4 | Fine for body text |
| #7FFF00 text on white | 1.29:1 | Fails | Lc 14.2 | Not readable |
| #7FFF00 text on black | 16.20:1 | AAA | Lc -89.7 | Fine for body text |
Shades and tints of Chartreuse
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#E8FDDF
oklch(97.1% 0.045 136.2)
-
Step 100
100
#CCFAB8
oklch(93.7% 0.099 136.4)
-
Step 200
200 (this color)
#7FFF00
oklch(89% 0.265 136)
-
Step 300
300
#6FE100
oklch(81% 0.241 136)
-
Step 400
400
#5CBC00
oklch(70.8% 0.211 136)
-
Step 500
500
#4EA100
oklch(63.1% 0.188 136)
-
Step 600
600
#408700
oklch(55.5% 0.165 136)
-
Step 700
700
#357200
oklch(49.1% 0.146 136)
-
Step 800
800
#2A5D00
oklch(42.6% 0.127 136)
-
Step 900
900
#224E00
oklch(37.7% 0.112 136.1)
-
Step 950
950
#122F00
oklch(27.2% 0.081 136)
Chartreuse with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #FFE800 | 0.153 |
| Deuteranopia (no green cones) | #F8DE39 | 0.162 |
| Tritanopia (no blue cones) | #79F5D9 | 0.191 |
| Achromatopsia (no color) | #E2E2E2 | 0.266 |
Use Chartreuse in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.