#81F4B3
Closest named color: Seafoam (#80F9AD). oklch(88.2% 0.14 157.1), rgb(129, 244, 179).
Aa
Black text reads best on this color (15.52:1).
About this color
#81F4B3 is a light, vivid green. In OKLCH its lightness is 88%, its chroma 0.140 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam (#80F9AD), ΔE 0.018 away. Black text reads best on it, at 15.52:1.
| Hue family | Greens |
| Lightness | light (88%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Seafoam (#80F9AD) |
| Black text | 15.52:1 |
| White text | 1.35:1 |
Values
| HEX | #81F4B3 |
| RGB | rgb(129, 244, 179) |
| HSL | hsl(146, 84%, 73%) |
| OKLCH | oklch(88.2% 0.14 157.1) |
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 #81F4B3 | 1.35:1 | Fails | Lc -19.6 | Dividers and decoration only |
| Black text on #81F4B3 | 15.52:1 | AAA | Lc 86.6 | Fine for body text |
| #81F4B3 text on white | 1.35:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #81F4B3 text on black | 15.52:1 | AAA | Lc -86.5 | 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)
#81F4B3
oklch(88.2% 0.14 157.1)
-
Step 300
300
#32E290
oklch(80.8% 0.18 157)
-
Step 400
400
#00BF75
oklch(70.8% 0.168 157.1)
-
Step 500
500
#00A363
oklch(63% 0.15 157)
-
Step 600
600
#008A53
oklch(55.7% 0.133 157)
-
Step 700
700
#007445
oklch(49.2% 0.117 157)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#81F4B3 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) | #F3E5AF | 0.129 |
| Deuteranopia (no green cones) | #E1D9B7 | 0.124 |
| Tritanopia (no blue cones) | #63F2E2 | 0.066 |
| Achromatopsia (no color) | #DDDDDD | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81F4B3
#81F4B3
oklch(88.2% 0.14 157.1)
- #FFC2EE
#FFC2EE
oklch(88.2% 0.089 336.7)
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 #81F4B3, closest first.
No curated palette has a color within ΔE 0.04 of #81F4B3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam #80F9AD ΔE 0.018
- Light Blue Green #7EFBB3 ΔE 0.019
- Seafoam Green #7AF9AB ΔE 0.020
- Light Aquamarine #7BFDC7 ΔE 0.029
- Light Turquoise #7EF4CC ΔE 0.033
- Foam Green #90FDA9 ΔE 0.034
- Light Green #90EE90 ΔE 0.040
- Light Mint Green #A6FBB2 ΔE 0.041
Use #81F4B3 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.