#81BB50
Closest named color: Turtle Green (#75B84F). oklch(72.9% 0.152 132.8), rgb(129, 187, 80).
Aa
Black text reads best on this color (9.15:1).
About this color
#81BB50 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.152 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.017 away. Black text reads best on it, at 9.15:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 9.15:1 |
| White text | 2.29:1 |
Values
| HEX | #81BB50 |
| RGB | rgb(129, 187, 80) |
| HSL | hsl(93, 44%, 52%) |
| OKLCH | oklch(72.9% 0.152 132.8) |
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 #81BB50 | 2.29:1 | Fails | Lc -49.9 | Large or bold text, headings |
| Black text on #81BB50 | 9.15:1 | AAA | Lc 58.9 | Large or bold text, headings |
| #81BB50 text on white | 2.29:1 | Fails | Lc 45.1 | Large or bold text, headings |
| #81BB50 text on black | 9.15:1 | AAA | Lc -57.0 | 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
#F2F7EF
oklch(97% 0.012 133.4)
-
Step 100
100
#E3EEDC
oklch(93.6% 0.027 133)
-
Step 200
200
#CCE1BE
oklch(88.5% 0.052 132.8)
-
Step 300
300
#A9CE8E
oklch(80.9% 0.095 132.6)
-
Step 400
400 (this color)
#81BB50
oklch(72.9% 0.152 132.8)
-
Step 500
500
#5C9E00
oklch(63% 0.177 132.8)
-
Step 600
600
#4D8500
oklch(55.6% 0.156 132.7)
-
Step 700
700
#407000
oklch(49.1% 0.138 132.7)
-
Step 800
800
#335C00
oklch(42.8% 0.12 132.9)
-
Step 900
900
#2A4D00
oklch(37.9% 0.107 132.8)
-
Step 950
950
#172E00
oklch(27.1% 0.076 132.8)
#81BB50 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) | #C2AE45 | 0.088 |
| Deuteranopia (no green cones) | #BAAA58 | 0.088 |
| Tritanopia (no blue cones) | #82B4A4 | 0.114 |
| Achromatopsia (no color) | #ABABAB | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BB50
#81BB50
oklch(72.9% 0.152 132.8)
- #C889EB
#C889EB
oklch(72.9% 0.152 312.7)
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 #81BB50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.017
- Avocado #90B134 ΔE 0.031
- Dark Lime #84B701 ΔE 0.039
- Soft Green #6FC276 ΔE 0.039
- Icky Green #8FAE22 ΔE 0.040
- Dark Lime Green #7EBD01 ΔE 0.044
- Bright Olive #9CBB04 ΔE 0.044
- Boring Green #63B365 ΔE 0.046
Use #81BB50 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.