#81A237
Closest named color: Avocado Green (#87A922). oklch(66.6% 0.139 124.8), rgb(129, 162, 55).
Aa
Black text reads best on this color (7.15:1).
About this color
#81A237 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 67%, its chroma 0.139 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Avocado Green (#87A922), ΔE 0.028 away. Black text reads best on it, at 7.15:1.
| Hue family | Yellows |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Avocado Green (#87A922) |
| Black text | 7.15:1 |
| White text | 2.93:1 |
Values
| HEX | #81A237 |
| RGB | rgb(129, 162, 55) |
| HSL | hsl(79, 49%, 43%) |
| OKLCH | oklch(66.6% 0.139 124.8) |
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 #81A237 | 2.93:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #81A237 | 7.15:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #81A237 text on white | 2.93:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #81A237 text on black | 7.15:1 | AAA | Lc -46.1 | 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 500.
-
Step 50
50
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E7ECDE
oklch(93.5% 0.019 122.8)
-
Step 200
200
#D3DEC3
oklch(88.5% 0.038 125.3)
-
Step 300
300
#B7C999
oklch(81% 0.068 124.6)
-
Step 400
400
#91AC5E
oklch(70.6% 0.109 124.8)
-
Step 500
500 (this color)
#81A237
oklch(66.6% 0.139 124.8)
-
Step 600
600
#618000
oklch(55.5% 0.139 124.8)
-
Step 700
700
#516C00
oklch(49.2% 0.123 125)
-
Step 800
800
#425800
oklch(42.6% 0.107 124.6)
-
Step 900
900
#374905
oklch(37.6% 0.09 124.5)
-
Step 950
950
#202B08
oklch(27% 0.057 125)
#81A237 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) | #AB9829 | 0.061 |
| Deuteranopia (no green cones) | #A6963F | 0.063 |
| Tritanopia (no blue cones) | #879A8C | 0.114 |
| Achromatopsia (no color) | #979797 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A237
#81A237
oklch(66.6% 0.139 124.8)
- #A87CD8
#A87CD8
oklch(66.6% 0.139 305)
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 #81A237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Avocado Green #87A922 ΔE 0.028
- Leaf #71AA34 ΔE 0.029
- Asparagus #77AB56 ΔE 0.031
- Pea Soup #929901 ΔE 0.032
- Off Green #6BA353 ΔE 0.032
- Pea Soup Green #94A617 ΔE 0.032
- Fern #63A950 ΔE 0.036
- Flat Green #699D4C ΔE 0.038
Use #81A237 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.