#81F5B2
Closest named color: Seafoam (#80F9AD). oklch(88.4% 0.142 156.5), rgb(129, 245, 178).
Aa
Black text reads best on this color (15.63:1).
About this color
#81F5B2 is a light, vivid green. In OKLCH its lightness is 88%, its chroma 0.142 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam (#80F9AD), ΔE 0.014 away. Black text reads best on it, at 15.63:1.
| Hue family | Greens |
| Lightness | light (88%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Seafoam (#80F9AD) |
| Black text | 15.63:1 |
| White text | 1.34:1 |
Values
| HEX | #81F5B2 |
| RGB | rgb(129, 245, 178) |
| HSL | hsl(145, 85%, 73%) |
| OKLCH | oklch(88.4% 0.142 156.5) |
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 #81F5B2 | 1.34:1 | Fails | Lc -19.1 | Dividers and decoration only |
| Black text on #81F5B2 | 15.63:1 | AAA | Lc 87.0 | Fine for body text |
| #81F5B2 text on white | 1.34:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #81F5B2 text on black | 15.63:1 | AAA | Lc -87.0 | 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 200.
-
Step 50
50
#E9FBEF
oklch(97.2% 0.025 156.7)
-
Step 100
100
#CEF5DC
oklch(93.6% 0.053 157.1)
-
Step 200
200 (this color)
#81F5B2
oklch(88.4% 0.142 156.5)
-
Step 300
300
#30E28E
oklch(80.8% 0.182 156.5)
-
Step 400
400
#00BF73
oklch(70.8% 0.17 156.5)
-
Step 500
500
#00A462
oklch(63.2% 0.152 156.5)
-
Step 600
600
#008A52
oklch(55.7% 0.134 156.6)
-
Step 700
700
#007444
oklch(49.2% 0.118 156.6)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#81F5B2 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) | #F4E5AE | 0.131 |
| Deuteranopia (no green cones) | #E3D9B6 | 0.128 |
| Tritanopia (no blue cones) | #63F3E3 | 0.068 |
| Achromatopsia (no color) | #DEDEDE | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81F5B2
#81F5B2
oklch(88.4% 0.142 156.5)
- #FFC3EF
#FFC3EF
oklch(88.4% 0.088 336.2)
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 #81F5B2, closest first.
No curated palette has a color within ΔE 0.04 of #81F5B2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam #80F9AD ΔE 0.014
- Light Blue Green #7EFBB3 ΔE 0.016
- Seafoam Green #7AF9AB ΔE 0.017
- Light Aquamarine #7BFDC7 ΔE 0.028
- Foam Green #90FDA9 ΔE 0.031
- Light Turquoise #7EF4CC ΔE 0.035
- Light Green #90EE90 ΔE 0.039
- Mint #9FFEB0 ΔE 0.039
Use #81F5B2 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.