#81D899
Closest named color: Hospital Green (#9BE5AA). oklch(81.1% 0.123 151.7), rgb(129, 216, 153).
Aa
Black text reads best on this color (12.21:1).
About this color
#81D899 is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.123 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.049 away. Black text reads best on it, at 12.21:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 12.21:1 |
| White text | 1.71:1 |
Values
| HEX | #81D899 |
| RGB | rgb(129, 216, 153) |
| HSL | hsl(137, 53%, 68%) |
| OKLCH | oklch(81.1% 0.123 151.7) |
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 #81D899 | 1.71:1 | Fails | Lc -34.7 | Non-text elements, placeholder text |
| Black text on #81D899 | 12.21:1 | AAA | Lc 73.0 | Content text, not long reading |
| #81D899 text on white | 1.71:1 | Fails | Lc 30.8 | Non-text elements, placeholder text |
| #81D899 text on black | 12.21:1 | AAA | Lc -71.9 | 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
#D9F1DE
oklch(93.5% 0.036 151.7)
-
Step 200
200
#B8E7C3
oklch(88.5% 0.069 151.9)
-
Step 300
300 (this color)
#81D899
oklch(81.1% 0.123 151.7)
-
Step 400
400
#00C061
oklch(70.7% 0.187 151.7)
-
Step 500
500
#00A552
oklch(63.2% 0.168 151.6)
-
Step 600
600
#008A44
oklch(55.5% 0.147 151.7)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003013
oklch(27.1% 0.072 151.4)
#81D899 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) | #D9CB95 | 0.107 |
| Deuteranopia (no green cones) | #CBC29D | 0.103 |
| Tritanopia (no blue cones) | #71D6C7 | 0.064 |
| Achromatopsia (no color) | #C5C5C5 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D899
#81D899
oklch(81.1% 0.123 151.7)
- #F0A3E5
#F0A3E5
oklch(81.1% 0.124 331.8)
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 #81D899, closest first.
No curated palette has a color within ΔE 0.04 of #81D899.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.049
- Seafoam Blue #78D1B6 ΔE 0.050
- Medium Aquamarine #66CDAA ΔE 0.050
- Pale Olive Green #B1D27B ΔE 0.055
- Light Moss Green #A6C875 ΔE 0.056
- Pale Teal #82CBB2 ΔE 0.058
- Light Teal #90E4C1 ΔE 0.059
- Aqua Marine #2EE8BB ΔE 0.061
Use #81D899 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.