#81B73A
Closest named color: Turtle Green (#75B84F). oklch(71.7% 0.164 129.9), rgb(129, 183, 58).
Aa
Black text reads best on this color (8.76:1).
About this color
#81B73A is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.164 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.019 away. Black text reads best on it, at 8.76:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.76:1 |
| White text | 2.39:1 |
Values
| HEX | #81B73A |
| RGB | rgb(129, 183, 58) |
| HSL | hsl(86, 52%, 47%) |
| OKLCH | oklch(71.7% 0.164 129.9) |
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 #81B73A | 2.39:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #81B73A | 8.76:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #81B73A text on white | 2.39:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #81B73A text on black | 8.76:1 | AAA | Lc -55.0 | 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
#F2F7EE
oklch(97% 0.013 130.8)
-
Step 100
100
#E3EEDA
oklch(93.5% 0.029 130.7)
-
Step 200
200
#CDE1BA
oklch(88.5% 0.056 129.7)
-
Step 300
300
#ABCE87
oklch(80.9% 0.102 129.8)
-
Step 400
400 (this color)
#81B73A
oklch(71.7% 0.164 129.9)
-
Step 500
500
#669C00
oklch(63% 0.17 129.9)
-
Step 600
600
#558300
oklch(55.5% 0.149 129.9)
-
Step 700
700
#476E00
oklch(49% 0.131 129.8)
-
Step 800
800
#395A00
oklch(42.6% 0.114 129.9)
-
Step 900
900
#2F4B00
oklch(37.6% 0.101 129.8)
-
Step 950
950
#1A2D00
oklch(27% 0.073 130.1)
#81B73A 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) | #BFAA28 | 0.085 |
| Deuteranopia (no green cones) | #B8A645 | 0.088 |
| Tritanopia (no blue cones) | #84AF9E | 0.127 |
| Achromatopsia (no color) | #A7A7A7 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81B73A
#81B73A
oklch(71.7% 0.164 129.9)
- #C383EF
#C383EF
oklch(71.6% 0.164 310.2)
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 #81B73A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.019
- Avocado #90B134 ΔE 0.022
- Dark Lime #84B701 ΔE 0.022
- Icky Green #8FAE22 ΔE 0.026
- Dark Lime Green #7EBD01 ΔE 0.032
- Pea Green #8EAB12 ΔE 0.033
- Avocado Green #87A922 ΔE 0.037
- Bright Olive #9CBB04 ΔE 0.039
Use #81B73A 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.