#81C099
Closest named color: Dark Sea Green (#8FBC8F). oklch(75.4% 0.086 156.5), rgb(129, 192, 153).
Aa
Black text reads best on this color (9.93:1).
About this color
#81C099 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.086 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.018 away. Black text reads best on it, at 9.93:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 9.93:1 |
| White text | 2.11:1 |
Values
| HEX | #81C099 |
| RGB | rgb(129, 192, 153) |
| HSL | hsl(143, 33%, 63%) |
| OKLCH | oklch(75.4% 0.086 156.5) |
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 #81C099 | 2.11:1 | Fails | Lc -46.0 | Large or bold text, headings |
| Black text on #81C099 | 9.93:1 | AAA | Lc 62.6 | Content text, not long reading |
| #81C099 text on white | 2.11:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #81C099 text on black | 9.93:1 | AAA | Lc -60.9 | 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 400.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD1
oklch(88.4% 0.029 156.6)
-
Step 300
300
#A5CCB3
oklch(81% 0.054 156.9)
-
Step 400
400 (this color)
#81C099
oklch(75.4% 0.086 156.5)
-
Step 500
500
#499D6E
oklch(63.1% 0.109 156.7)
-
Step 600
600
#248855
oklch(55.7% 0.12 156.1)
-
Step 700
700
#137346
oklch(49.2% 0.111 156.6)
-
Step 800
800
#155E39
oklch(42.8% 0.093 156.1)
-
Step 900
900
#1B4D31
oklch(37.8% 0.072 155.8)
-
Step 950
950
#112D1D
oklch(27% 0.046 156.4)
#81C099 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) | #BFB797 | 0.079 |
| Deuteranopia (no green cones) | #B5AF9B | 0.077 |
| Tritanopia (no blue cones) | #75BFB5 | 0.041 |
| Achromatopsia (no color) | #B2B2B2 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81C099
#81C099
oklch(75.4% 0.086 156.5)
- #D39BC4
#D39BC4
oklch(75.5% 0.086 336.4)
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 #81C099, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.018
- Muted Teal #90B494 ΔE 0.034
- Pale Teal #82CBB2 ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.039
- Lichen #8FB67B ΔE 0.040
- Sage Green #88B378 ΔE 0.046
- Seafoam Blue #78D1B6 ΔE 0.050
- Soft Green #6FC276 ΔE 0.054
Use #81C099 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.