#81BC99
Closest named color: Dark Sea Green (#8FBC8F). oklch(74.5% 0.08 157.8), rgb(129, 188, 153).
Aa
Black text reads best on this color (9.58:1).
About this color
#81BC99 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.080 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.019 away. Black text reads best on it, at 9.58:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 9.58:1 |
| White text | 2.19:1 |
Values
| HEX | #81BC99 |
| RGB | rgb(129, 188, 153) |
| HSL | hsl(144, 31%, 62%) |
| OKLCH | oklch(74.5% 0.08 157.8) |
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 #81BC99 | 2.19:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #81BC99 | 9.58:1 | AAA | Lc 60.9 | Content text, not long reading |
| #81BC99 text on white | 2.19:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #81BC99 text on black | 9.58:1 | AAA | Lc -59.1 | Large or bold text, headings |
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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CBDFD2
oklch(88.5% 0.028 157.3)
-
Step 300
300
#A7CBB4
oklch(80.9% 0.05 157.1)
-
Step 400
400 (this color)
#81BC99
oklch(74.5% 0.08 157.8)
-
Step 500
500
#4E9C71
oklch(63.1% 0.102 157.5)
-
Step 600
600
#2C865A
oklch(55.5% 0.109 158.1)
-
Step 700
700
#1D7249
oklch(49.2% 0.103 157.5)
-
Step 800
800
#1B5D3C
oklch(42.8% 0.086 157.5)
-
Step 900
900
#1E4C34
oklch(37.7% 0.066 158.1)
-
Step 950
950
#132D1E
oklch(27.1% 0.043 156.6)
#81BC99 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) | #BBB397 | 0.075 |
| Deuteranopia (no green cones) | #B1AC9B | 0.072 |
| Tritanopia (no blue cones) | #76BBB2 | 0.037 |
| Achromatopsia (no color) | #AFAFAF | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BC99
#81BC99
oklch(74.5% 0.08 157.8)
- #CE99BE
#CE99BE
oklch(74.4% 0.08 337.9)
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 #81BC99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.019
- Muted Teal #90B494 ΔE 0.025
- Lichen #8FB67B ΔE 0.038
- Sage Green #88B378 ΔE 0.042
- Pale Teal #82CBB2 ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.047
- Faded Green #7BB274 ΔE 0.051
- Sage #87AE73 ΔE 0.052
Use #81BC99 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.