#81E18E
Closest named color: Light Green (#90EE90). oklch(83% 0.147 147.2), rgb(129, 225, 142).
Aa
Black text reads best on this color (13.09:1).
About this color
#81E18E is a light, vivid green. In OKLCH its lightness is 83%, its chroma 0.147 and its hue 147°. 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 13.09:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #81E18E |
| RGB | rgb(129, 225, 142) |
| HSL | hsl(128, 62%, 69%) |
| OKLCH | oklch(83% 0.147 147.2) |
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 #81E18E | 1.60:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #81E18E | 13.09:1 | AAA | Lc 76.8 | Fine for body text |
| #81E18E text on white | 1.60:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #81E18E text on black | 13.09:1 | AAA | Lc -76.0 | 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
#EDF9EE
oklch(97% 0.019 147.9)
-
Step 100
100
#D8F2DA
oklch(93.6% 0.042 147.4)
-
Step 200
200
#B6E8BA
oklch(88.4% 0.081 147)
-
Step 300
300 (this color)
#81E18E
oklch(83% 0.147 147.2)
-
Step 400
400
#00C148
oklch(70.7% 0.209 147.2)
-
Step 500
500
#00A63D
oklch(63.2% 0.187 147.2)
-
Step 600
600
#008B32
oklch(55.5% 0.164 147.3)
-
Step 700
700
#007529
oklch(49% 0.144 147.3)
-
Step 800
800
#006020
oklch(42.6% 0.126 147.3)
-
Step 900
900
#005019
oklch(37.6% 0.111 147.2)
-
Step 950
950
#00300C
oklch(26.9% 0.079 147.3)
#81E18E 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) | #E3D288 | 0.118 |
| Deuteranopia (no green cones) | #D5C893 | 0.117 |
| Tritanopia (no blue cones) | #72DDCC | 0.086 |
| Achromatopsia (no color) | #CCCCCC | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81E18E
#81E18E
oklch(83% 0.147 147.2)
- #FAA4F9
#FAA4F9
oklch(83.1% 0.147 327.2)
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 #81E18E, closest first.
No curated palette has a color within ΔE 0.04 of #81E18E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.040
- Hospital Green #9BE5AA ΔE 0.047
- Weird Green #3AE57F ΔE 0.054
- Aqua Green #12E193 ΔE 0.056
- Pale Olive Green #B1D27B ΔE 0.057
- Aqua Marine #2EE8BB ΔE 0.063
- Seafoam Green #7AF9AB ΔE 0.064
- Seafoam #80F9AD ΔE 0.065
Use #81E18E 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.