#81D290
Closest named color: Medium Aquamarine (#66CDAA). oklch(79.5% 0.123 148.9), rgb(129, 210, 144).
Aa
Black text reads best on this color (11.55:1).
About this color
#81D290 is a light, moderately saturated green. In OKLCH its lightness is 79%, its chroma 0.123 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.046 away. Black text reads best on it, at 11.55:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.55:1 |
| White text | 1.81:1 |
Values
| HEX | #81D290 |
| RGB | rgb(129, 210, 144) |
| HSL | hsl(131, 47%, 66%) |
| OKLCH | oklch(79.5% 0.123 148.9) |
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 #81D290 | 1.81:1 | Fails | Lc -37.8 | Non-text elements, placeholder text |
| Black text on #81D290 | 11.55:1 | AAA | Lc 70.1 | Content text, not long reading |
| #81D290 text on white | 1.81:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #81D290 text on black | 11.55:1 | AAA | Lc -68.8 | Content text, not long reading |
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
#EEF9F0
oklch(97.1% 0.017 151.1)
-
Step 100
100
#DAF1DD
oklch(93.6% 0.036 149.1)
-
Step 200
200
#BBE6C1
oklch(88.5% 0.067 148.9)
-
Step 300
300 (this color)
#81D290
oklch(79.5% 0.123 148.9)
-
Step 400
400
#11C055
oklch(70.6% 0.196 149)
-
Step 500
500
#00A546
oklch(63% 0.178 148.9)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#00501E
oklch(37.6% 0.107 148.8)
-
Step 950
950
#00300F
oklch(27% 0.076 148.8)
#81D290 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) | #D3C58C | 0.102 |
| Deuteranopia (no green cones) | #C7BD94 | 0.100 |
| Tritanopia (no blue cones) | #75CFC1 | 0.070 |
| Achromatopsia (no color) | #C0C0C0 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D290
#81D290
oklch(79.5% 0.123 148.9)
- #E89FE3
#E89FE3
oklch(79.5% 0.123 329)
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 #81D290, closest first.
No curated palette has a color within ΔE 0.04 of #81D290.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.046
- Light Moss Green #A6C875 ΔE 0.046
- Seafoam Blue #78D1B6 ΔE 0.052
- Soft Green #6FC276 ΔE 0.054
- Pale Olive Green #B1D27B ΔE 0.055
- Pale Teal #82CBB2 ΔE 0.056
- Emerald #06D6A0 ΔE 0.059
- Dark Sea Green #8FBC8F ΔE 0.062
Use #81D290 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.