#81CC63
Closest named color: Apple (#6ECB3C). oklch(77.3% 0.158 137.5), rgb(129, 204, 99).
Aa
Black text reads best on this color (10.75:1).
About this color
#81CC63 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.158 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Apple (#6ECB3C), ΔE 0.042 away. Black text reads best on it, at 10.75:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Apple (#6ECB3C) |
| Black text | 10.75:1 |
| White text | 1.95:1 |
Values
| HEX | #81CC63 |
| RGB | rgb(129, 204, 99) |
| HSL | hsl(103, 51%, 59%) |
| OKLCH | oklch(77.3% 0.158 137.5) |
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 #81CC63 | 1.95:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #81CC63 | 10.75:1 | AAA | Lc 66.5 | Content text, not long reading |
| #81CC63 text on white | 1.95:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #81CC63 text on black | 10.75:1 | AAA | Lc -65.0 | Content text, not long reading |
Tints and shades
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 300.
-
Step 50
50
#EFF9EB
oklch(97.1% 0.021 136.6)
-
Step 100
100
#DCF2D4
oklch(93.7% 0.046 137.3)
-
Step 200
200
#BEE7AE
oklch(88.4% 0.088 137)
-
Step 300
300 (this color)
#81CC63
oklch(77.3% 0.158 137.5)
-
Step 400
400
#52BD00
oklch(70.7% 0.216 137.5)
-
Step 500
500
#45A200
oklch(63% 0.193 137.5)
-
Step 600
600
#398800
oklch(55.5% 0.17 137.5)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#1E4F00
oklch(37.9% 0.116 137.5)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#81CC63 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) | #D2BE5A | 0.104 |
| Deuteranopia (no green cones) | #C7B76A | 0.103 |
| Tritanopia (no blue cones) | #7EC6B4 | 0.110 |
| Achromatopsia (no color) | #B9B9B9 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81CC63
#81CC63
oklch(77.3% 0.158 137.5)
- #DE93F7
#DE93F7
oklch(77.4% 0.158 317.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #81CC63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Apple #6ECB3C ΔE 0.042
- Yellow Green #9ACD32 ΔE 0.043
- Soft Green #6FC276 ΔE 0.044
- Fresh Green #69D84F ΔE 0.048
- Light Olive Green #A4BE5C ΔE 0.051
- Apple Green #76CD26 ΔE 0.051
- Light Moss Green #A6C875 ΔE 0.052
- Slime Green #99CC04 ΔE 0.054
Use #81CC63 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.