#81BC91
Closest named color: Dark Sea Green (#8FBC8F). oklch(74.3% 0.087 152.4), rgb(129, 188, 145).
Aa
Black text reads best on this color (9.53:1).
About this color
#81BC91 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.087 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.016 away. Black text reads best on it, at 9.53:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 9.53:1 |
| White text | 2.20:1 |
Values
| HEX | #81BC91 |
| RGB | rgb(129, 188, 145) |
| HSL | hsl(136, 31%, 62%) |
| OKLCH | oklch(74.3% 0.087 152.4) |
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 #81BC91 | 2.20:1 | Fails | Lc -48.0 | Large or bold text, headings |
| Black text on #81BC91 | 9.53:1 | AAA | Lc 60.7 | Content text, not long reading |
| #81BC91 text on white | 2.20:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #81BC91 text on black | 9.53:1 | AAA | Lc -58.9 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CBDFD0
oklch(88.5% 0.029 153.3)
-
Step 300
300
#A7CBB0
oklch(80.8% 0.054 152.7)
-
Step 400
400 (this color)
#81BC91
oklch(74.3% 0.087 152.4)
-
Step 500
500
#4F9D68
oklch(63.2% 0.112 152.4)
-
Step 600
600
#2E874F
oklch(55.6% 0.121 152.4)
-
Step 700
700
#1F7240
oklch(49% 0.112 152.6)
-
Step 800
800
#1D5D35
oklch(42.7% 0.093 152.5)
-
Step 900
900
#1F4C2E
oklch(37.6% 0.072 152.3)
-
Step 950
950
#132D1B
oklch(27% 0.047 152.1)
#81BC91 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) | #BCB38F | 0.076 |
| Deuteranopia (no green cones) | #B3AC93 | 0.075 |
| Tritanopia (no blue cones) | #78BAB0 | 0.046 |
| Achromatopsia (no color) | #AFAFAF | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BC91
#81BC91
oklch(74.3% 0.087 152.4)
- #CD97C4
#CD97C4
oklch(74.2% 0.088 332.3)
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 #81BC91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.016
- Lichen #8FB67B ΔE 0.029
- Muted Teal #90B494 ΔE 0.029
- Sage Green #88B378 ΔE 0.033
- Faded Green #7BB274 ΔE 0.042
- Sage #87AE73 ΔE 0.045
- Medium Aquamarine #66CDAA ΔE 0.049
- Soft Green #6FC276 ΔE 0.049
Use #81BC91 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.