#81BB3F
Closest named color: Turtle Green (#75B84F). oklch(72.7% 0.166 131), rgb(129, 187, 63).
Aa
Black text reads best on this color (9.11:1).
About this color
#81BB3F is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.166 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.021 away. Black text reads best on it, at 9.11:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 9.11:1 |
| White text | 2.30:1 |
Values
| HEX | #81BB3F |
| RGB | rgb(129, 187, 63) |
| HSL | hsl(88, 50%, 49%) |
| OKLCH | oklch(72.7% 0.166 131) |
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 #81BB3F | 2.30:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #81BB3F | 9.11:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #81BB3F text on white | 2.30:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #81BB3F text on black | 9.11:1 | AAA | Lc -56.8 | 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
#F2F8EE
oklch(97.2% 0.015 132.5)
-
Step 100
100
#E3EEDA
oklch(93.5% 0.029 130.7)
-
Step 200
200
#CCE2BA
oklch(88.6% 0.058 131.1)
-
Step 300
300
#A9CF88
oklch(81% 0.104 131.3)
-
Step 400
400 (this color)
#81BB3F
oklch(72.7% 0.166 131)
-
Step 500
500
#639D00
oklch(63.1% 0.172 130.9)
-
Step 600
600
#528400
oklch(55.6% 0.152 131.1)
-
Step 700
700
#446F00
oklch(49.1% 0.134 131.1)
-
Step 800
800
#375B00
oklch(42.7% 0.117 131.1)
-
Step 900
900
#2D4C00
oklch(37.8% 0.103 131.1)
-
Step 950
950
#192D00
oklch(27% 0.074 130.9)
#81BB3F 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) | #C3AE2E | 0.089 |
| Deuteranopia (no green cones) | #BBA949 | 0.091 |
| Tritanopia (no blue cones) | #83B3A2 | 0.127 |
| Achromatopsia (no color) | #ABABAB | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BB3F
#81BB3F
oklch(72.7% 0.166 131)
- #C886F2
#C886F2
oklch(72.8% 0.164 311.1)
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 #81BB3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.021
- Dark Lime #84B701 ΔE 0.025
- Avocado #90B134 ΔE 0.029
- Dark Lime Green #7EBD01 ΔE 0.029
- Icky Green #8FAE22 ΔE 0.035
- Bright Olive #9CBB04 ΔE 0.036
- Pea Green #8EAB12 ΔE 0.043
- Pea #A4BF20 ΔE 0.046
Use #81BB3F 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.