#81A508
Closest named color: Avocado Green (#87A922). oklch(67.1% 0.164 123.9), rgb(129, 165, 8).
Aa
Black text reads best on this color (7.31:1).
About this color
#81A508 is a medium-light, vivid yellow. In OKLCH its lightness is 67%, its chroma 0.164 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Avocado Green (#87A922), ΔE 0.016 away. Black text reads best on it, at 7.31:1.
| Hue family | Yellows |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Avocado Green (#87A922) |
| Black text | 7.31:1 |
| White text | 2.86:1 |
Values
| HEX | #81A508 |
| RGB | rgb(129, 165, 8) |
| HSL | hsl(74, 91%, 34%) |
| OKLCH | oklch(67.1% 0.164 123.9) |
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 #81A508 | 2.86:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #81A508 | 7.31:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #81A508 text on white | 2.86:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #81A508 text on black | 7.31:1 | AAA | Lc -47.1 | 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 400.
-
Step 50
50
#F3F7ED
oklch(97% 0.014 124.6)
-
Step 100
100
#E5EED8
oklch(93.6% 0.031 125.2)
-
Step 200
200
#D1E0B7
oklch(88.5% 0.057 123.9)
-
Step 300
300
#B3CC81
oklch(80.9% 0.103 123.7)
-
Step 400
400 (this color)
#81A508
oklch(67.1% 0.164 123.9)
-
Step 500
500
#769800
oklch(63.1% 0.157 124)
-
Step 600
600
#638000
oklch(55.7% 0.138 124)
-
Step 700
700
#536B00
oklch(49% 0.121 123.6)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#374900
oklch(37.6% 0.094 124.1)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
#81A508 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) | #AF9A00 | 0.070 |
| Deuteranopia (no green cones) | #AA9822 | 0.070 |
| Tritanopia (no blue cones) | #889C8C | 0.136 |
| Achromatopsia (no color) | #989898 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A508
#81A508
oklch(67.1% 0.164 123.9)
- #AC78E6
#AC78E6
oklch(67.1% 0.164 304.2)
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 #81A508, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Avocado Green #87A922 ΔE 0.016
- Leaf #71AA34 ΔE 0.023
- Pea Green #8EAB12 ΔE 0.025
- Pea Soup Green #94A617 ΔE 0.027
- Icky Green #8FAE22 ΔE 0.033
- Pea Soup #929901 ΔE 0.038
- Grass #5CAC2D ΔE 0.040
- Leaf Green #5CA904 ΔE 0.042
Use #81A508 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.