#81E791
Closest named color: Light Green (#90EE90). oklch(84.5% 0.153 147.7), rgb(129, 231, 145).
Aa
Black text reads best on this color (13.77:1).
About this color
#81E791 is a light, vivid green. In OKLCH its lightness is 84%, its chroma 0.153 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.025 away. Black text reads best on it, at 13.77:1.
| Hue family | Greens |
| Lightness | light (84%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 13.77:1 |
| White text | 1.52:1 |
Values
| HEX | #81E791 |
| RGB | rgb(129, 231, 145) |
| HSL | hsl(129, 68%, 71%) |
| OKLCH | oklch(84.5% 0.153 147.7) |
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 #81E791 | 1.52:1 | Fails | Lc -27.4 | Dividers and decoration only |
| Black text on #81E791 | 13.77:1 | AAA | Lc 79.6 | Fine for body text |
| #81E791 text on white | 1.52:1 | Fails | Lc 24.2 | Dividers and decoration only |
| #81E791 text on black | 13.77:1 | AAA | Lc -79.0 | 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
#EDFAEE
oklch(97.2% 0.021 147.6)
-
Step 100
100
#D7F3D9
oklch(93.7% 0.045 147.2)
-
Step 200
200
#B4E9B9
oklch(88.5% 0.085 147.3)
-
Step 300
300 (this color)
#81E791
oklch(84.5% 0.153 147.7)
-
Step 400
400
#00C14B
oklch(70.7% 0.207 147.6)
-
Step 500
500
#00A640
oklch(63.2% 0.184 147.7)
-
Step 600
600
#008B34
oklch(55.5% 0.162 147.6)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#00501B
oklch(37.6% 0.109 147.8)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#81E791 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) | #E9D78B | 0.124 |
| Deuteranopia (no green cones) | #DACD96 | 0.121 |
| Tritanopia (no blue cones) | #71E3D1 | 0.088 |
| Achromatopsia (no color) | #D1D1D1 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81E791
#81E791
oklch(84.5% 0.153 147.7)
- #FFA9FD
#FFA9FD
oklch(84.6% 0.146 327.6)
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 #81E791, closest first.
No curated palette has a color within ΔE 0.04 of #81E791.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.025
- Hospital Green #9BE5AA ΔE 0.045
- Seafoam Green #7AF9AB ΔE 0.049
- Seafoam #80F9AD ΔE 0.051
- Weird Green #3AE57F ΔE 0.055
- Light Green Blue #56FCA2 ΔE 0.056
- Light Blue Green #7EFBB3 ΔE 0.058
- Pale Green #98FB98 ΔE 0.060
Use #81E791 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.