#81DE90
Closest named color: Hospital Green (#9BE5AA). oklch(82.3% 0.141 148), rgb(129, 222, 144).
Aa
Black text reads best on this color (12.78:1).
About this color
#81DE90 is a light, vivid green. In OKLCH its lightness is 82%, its chroma 0.141 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.047 away. Black text reads best on it, at 12.78:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 12.78:1 |
| White text | 1.64:1 |
Values
| HEX | #81DE90 |
| RGB | rgb(129, 222, 144) |
| HSL | hsl(130, 58%, 69%) |
| OKLCH | oklch(82.3% 0.141 148) |
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 #81DE90 | 1.64:1 | Fails | Lc -32.0 | Non-text elements, placeholder text |
| Black text on #81DE90 | 12.78:1 | AAA | Lc 75.5 | Fine for body text |
| #81DE90 text on white | 1.64:1 | Fails | Lc 28.3 | Dividers and decoration only |
| #81DE90 text on black | 12.78:1 | AAA | Lc -74.6 | 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
#EDF9EE
oklch(97% 0.019 147.9)
-
Step 100
100
#D8F2DB
oklch(93.6% 0.041 148.6)
-
Step 200
200
#B7E8BC
oklch(88.5% 0.078 147.6)
-
Step 300
300 (this color)
#81DE90
oklch(82.3% 0.141 148)
-
Step 400
400
#00C14D
oklch(70.7% 0.205 147.9)
-
Step 500
500
#00A641
oklch(63.2% 0.184 147.9)
-
Step 600
600
#008B36
oklch(55.5% 0.161 148.1)
-
Step 700
700
#00752C
oklch(49% 0.142 148)
-
Step 800
800
#006023
oklch(42.7% 0.123 148.1)
-
Step 900
900
#00501C
oklch(37.6% 0.109 148.1)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#81DE90 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) | #E0CF8B | 0.115 |
| Deuteranopia (no green cones) | #D2C695 | 0.113 |
| Tritanopia (no blue cones) | #72DACA | 0.081 |
| Achromatopsia (no color) | #CACACA | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81DE90
#81DE90
oklch(82.3% 0.141 148)
- #F6A3F3
#F6A3F3
oklch(82.3% 0.141 328)
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 #81DE90, closest first.
No curated palette has a color within ΔE 0.04 of #81DE90.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.047
- Light Green #90EE90 ΔE 0.048
- Pale Olive Green #B1D27B ΔE 0.054
- Aqua Green #12E193 ΔE 0.055
- Weird Green #3AE57F ΔE 0.058
- Aqua Marine #2EE8BB ΔE 0.062
- Light Moss Green #A6C875 ΔE 0.063
- Light Grey Green #B7E1A1 ΔE 0.066
Use #81DE90 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.