#81B437
Closest named color: Avocado (#90B134). oklch(70.9% 0.162 129.1), rgb(129, 180, 55).
Aa
Black text reads best on this color (8.51:1).
About this color
#81B437 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.162 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Avocado (#90B134), ΔE 0.019 away. Black text reads best on it, at 8.51:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Avocado (#90B134) |
| Black text | 8.51:1 |
| White text | 2.46:1 |
Values
| HEX | #81B437 |
| RGB | rgb(129, 180, 55) |
| HSL | hsl(84, 53%, 46%) |
| OKLCH | oklch(70.9% 0.162 129.1) |
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 #81B437 | 2.46:1 | Fails | Lc -53.3 | Large or bold text, headings |
| Black text on #81B437 | 8.51:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #81B437 text on white | 2.46:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #81B437 text on black | 8.51:1 | AAA | Lc -53.7 | 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
#F3F7EE
oklch(97.1% 0.013 126.4)
-
Step 100
100
#E4EEDA
oklch(93.6% 0.029 128.8)
-
Step 200
200
#CEE1BA
oklch(88.5% 0.056 128.7)
-
Step 300
300
#ACCE87
oklch(80.9% 0.102 129.2)
-
Step 400
400 (this color)
#81B437
oklch(70.9% 0.162 129.1)
-
Step 500
500
#699C00
oklch(63.2% 0.168 129.1)
-
Step 600
600
#578300
oklch(55.6% 0.148 129.3)
-
Step 700
700
#496E00
oklch(49.1% 0.13 129)
-
Step 800
800
#3B5A00
oklch(42.7% 0.113 129)
-
Step 900
900
#304B00
oklch(37.7% 0.1 129.3)
-
Step 950
950
#1B2D00
oklch(27.1% 0.072 129.3)
#81B437 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) | #BDA724 | 0.083 |
| Deuteranopia (no green cones) | #B5A442 | 0.083 |
| Tritanopia (no blue cones) | #85AC9B | 0.127 |
| Achromatopsia (no color) | #A5A5A5 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81B437
#81B437
oklch(70.9% 0.162 129.1)
- #BF82ED
#BF82ED
oklch(71% 0.162 309.1)
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 #81B437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Avocado #90B134 ΔE 0.019
- Turtle Green #75B84F ΔE 0.020
- Icky Green #8FAE22 ΔE 0.021
- Dark Lime #84B701 ΔE 0.024
- Pea Green #8EAB12 ΔE 0.027
- Avocado Green #87A922 ΔE 0.029
- Leaf #71AA34 ΔE 0.036
- Dark Lime Green #7EBD01 ΔE 0.037
Use #81B437 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.