#81E187
Closest named color: Light Green (#90EE90). oklch(82.9% 0.154 145.4), rgb(129, 225, 135).
Aa
Black text reads best on this color (13.05:1).
About this color
#81E187 is a light, vivid green. In OKLCH its lightness is 83%, its chroma 0.154 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.040 away. Black text reads best on it, at 13.05:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 13.05:1 |
| White text | 1.60:1 |
Values
| HEX | #81E187 |
| RGB | rgb(129, 225, 135) |
| HSL | hsl(124, 62%, 69%) |
| OKLCH | oklch(82.9% 0.154 145.4) |
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 #81E187 | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #81E187 | 13.05:1 | AAA | Lc 76.6 | Fine for body text |
| #81E187 text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #81E187 text on black | 13.05:1 | AAA | Lc -75.8 | Fine for body text |
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
#EDF9ED
oklch(97% 0.02 145.4)
-
Step 100
100
#D8F2D8
oklch(93.5% 0.044 145.2)
-
Step 200
200
#B6E9B7
oklch(88.6% 0.086 145.3)
-
Step 300
300 (this color)
#81E187
oklch(82.9% 0.154 145.4)
-
Step 400
400
#00C239
oklch(70.8% 0.22 145.4)
-
Step 500
500
#00A630
oklch(63.1% 0.196 145.4)
-
Step 600
600
#008C27
oklch(55.7% 0.173 145.4)
-
Step 700
700
#00761F
oklch(49.2% 0.153 145.3)
-
Step 800
800
#006118
oklch(42.8% 0.133 145.4)
-
Step 900
900
#005112
oklch(37.8% 0.118 145.3)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#81E187 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) | #E4D281 | 0.119 |
| Deuteranopia (no green cones) | #D6C88D | 0.118 |
| Tritanopia (no blue cones) | #74DDCB | 0.093 |
| Achromatopsia (no color) | #CCCCCC | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81E187
#81E187
oklch(82.9% 0.154 145.4)
- #F9A2FD
#F9A2FD
oklch(82.8% 0.154 325.3)
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 #81E187, closest first.
No curated palette has a color within ΔE 0.04 of #81E187.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.040
- Weird Green #3AE57F ΔE 0.049
- Hospital Green #9BE5AA ΔE 0.054
- Aqua Green #12E193 ΔE 0.055
- Pale Olive Green #B1D27B ΔE 0.058
- Fresh Green #69D84F ΔE 0.065
- Seafoam Green #7AF9AB ΔE 0.066
- Seafoam #80F9AD ΔE 0.068
Use #81E187 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.