#81F39F
Closest named color: Seafoam Green (#7AF9AB). oklch(87.6% 0.157 150.6), rgb(129, 243, 159).
Aa
Black text reads best on this color (15.25:1).
About this color
#81F39F is a light, vivid green. In OKLCH its lightness is 88%, its chroma 0.157 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam Green (#7AF9AB), ΔE 0.018 away. Black text reads best on it, at 15.25:1.
| Hue family | Greens |
| Lightness | light (88%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Seafoam Green (#7AF9AB) |
| Black text | 15.25:1 |
| White text | 1.37:1 |
Values
| HEX | #81F39F |
| RGB | rgb(129, 243, 159) |
| HSL | hsl(136, 83%, 73%) |
| OKLCH | oklch(87.6% 0.157 150.6) |
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 #81F39F | 1.37:1 | Fails | Lc -20.7 | Dividers and decoration only |
| Black text on #81F39F | 15.25:1 | AAA | Lc 85.5 | Fine for body text |
| #81F39F text on white | 1.37:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #81F39F text on black | 15.25:1 | AAA | Lc -85.4 | 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 200.
-
Step 50
50
#E9FBEC
oklch(97.1% 0.027 150.4)
-
Step 100
100
#CFF6D6
oklch(93.7% 0.059 150.3)
-
Step 200
200 (this color)
#81F39F
oklch(87.6% 0.157 150.6)
-
Step 300
300
#39E378
oklch(80.8% 0.201 150.7)
-
Step 400
400
#00C05C
oklch(70.6% 0.192 150.6)
-
Step 500
500
#00A54E
oklch(63.1% 0.171 150.6)
-
Step 600
600
#008B40
oklch(55.7% 0.152 150.4)
-
Step 700
700
#007535
oklch(49.2% 0.134 150.5)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#003012
oklch(27% 0.073 150.7)
#81F39F 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) | #F4E299 | 0.133 |
| Deuteranopia (no green cones) | #E4D7A4 | 0.130 |
| Tritanopia (no blue cones) | #6AF0DD | 0.084 |
| Achromatopsia (no color) | #DCDCDC | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81F39F
#81F39F
oklch(87.6% 0.157 150.6)
- #FFBDF7
#FFBDF7
oklch(87.6% 0.106 330.6)
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 #81F39F, closest first.
No curated palette has a color within ΔE 0.04 of #81F39F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Green #7AF9AB ΔE 0.018
- Light Green #90EE90 ΔE 0.019
- Seafoam #80F9AD ΔE 0.020
- Light Blue Green #7EFBB3 ΔE 0.027
- Foam Green #90FDA9 ΔE 0.032
- Light Green Blue #56FCA2 ΔE 0.034
- Pale Green #98FB98 ΔE 0.034
- Baby Green #8CFF9E ΔE 0.036
Use #81F39F 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.