#81E997
Closest named color: Light Green (#90EE90). oklch(85.1% 0.15 149.2), rgb(129, 233, 151).
Aa
Black text reads best on this color (14.03:1).
About this color
#81E997 is a light, vivid green. In OKLCH its lightness is 85%, its chroma 0.150 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.023 away. Black text reads best on it, at 14.03:1.
| Hue family | Greens |
| Lightness | light (85%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 14.03:1 |
| White text | 1.49:1 |
Values
| HEX | #81E997 |
| RGB | rgb(129, 233, 151) |
| HSL | hsl(133, 70%, 71%) |
| OKLCH | oklch(85.1% 0.15 149.2) |
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 #81E997 | 1.49:1 | Fails | Lc -26.2 | Dividers and decoration only |
| Black text on #81E997 | 14.03:1 | AAA | Lc 80.7 | Fine for body text |
| #81E997 text on white | 1.49:1 | Fails | Lc 23.1 | Dividers and decoration only |
| #81E997 text on black | 14.03:1 | AAA | Lc -80.2 | 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
#EAFBEC
oklch(97.1% 0.027 148.8)
-
Step 100
100
#D1F5D6
oklch(93.6% 0.056 149.1)
-
Step 200
200 (this color)
#81E997
oklch(85.1% 0.15 149.2)
-
Step 300
300
#4EE278
oklch(81% 0.193 149.2)
-
Step 400
400
#00C155
oklch(70.8% 0.199 149.2)
-
Step 500
500
#00A548
oklch(63% 0.177 149.3)
-
Step 600
600
#008B3B
oklch(55.6% 0.156 149.2)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#00501F
oklch(37.7% 0.106 149.2)
-
Step 950
950
#003010
oklch(27% 0.075 149.4)
#81E997 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) | #EBD992 | 0.125 |
| Deuteranopia (no green cones) | #DBCF9C | 0.122 |
| Tritanopia (no blue cones) | #6FE5D4 | 0.085 |
| Achromatopsia (no color) | #D3D3D3 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81E997
#81E997
oklch(85.1% 0.15 149.2)
- #FFADF9
#FFADF9
oklch(85% 0.135 329.2)
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 #81E997, closest first.
No curated palette has a color within ΔE 0.04 of #81E997.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.023
- Hospital Green #9BE5AA ΔE 0.041
- Seafoam Green #7AF9AB ΔE 0.042
- Seafoam #80F9AD ΔE 0.044
- Light Blue Green #7EFBB3 ΔE 0.051
- Light Green Blue #56FCA2 ΔE 0.052
- Pale Green #98FB98 ΔE 0.056
- Foam Green #90FDA9 ΔE 0.057
Use #81E997 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.