#81B928
Closest named color: Dark Lime (#84B701). oklch(72.1% 0.177 129.2), rgb(129, 185, 40).
Aa
Black text reads best on this color (8.90:1).
About this color
#81B928 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.177 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lime (#84B701), ΔE 0.011 away. Black text reads best on it, at 8.90:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Dark Lime (#84B701) |
| Black text | 8.90:1 |
| White text | 2.35:1 |
Values
| HEX | #81B928 |
| RGB | rgb(129, 185, 40) |
| HSL | hsl(83, 64%, 44%) |
| OKLCH | oklch(72.1% 0.177 129.2) |
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 #81B928 | 2.35:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #81B928 | 8.90:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #81B928 text on white | 2.35:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #81B928 text on black | 8.90:1 | AAA | Lc -55.8 | 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
#F2F8ED
oklch(97.2% 0.016 130.4)
-
Step 100
100
#E3EED8
oklch(93.5% 0.031 128.8)
-
Step 200
200
#CCE2B7
oklch(88.5% 0.062 129.7)
-
Step 300
300
#AACF81
oklch(80.9% 0.111 129.3)
-
Step 400
400 (this color)
#81B928
oklch(72.1% 0.177 129.2)
-
Step 500
500
#689C00
oklch(63.2% 0.168 129.4)
-
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)
#81B928 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) | #C2AB00 | 0.089 |
| Deuteranopia (no green cones) | #BAA737 | 0.091 |
| Tritanopia (no blue cones) | #85B19E | 0.138 |
| Achromatopsia (no color) | #A9A9A9 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81B928
#81B928
oklch(72.1% 0.177 129.2)
- #C581F7
#C581F7
oklch(71.9% 0.177 309.2)
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 #81B928, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lime #84B701 ΔE 0.011
- Dark Lime Green #7EBD01 ΔE 0.019
- Turtle Green #75B84F ΔE 0.030
- Avocado #90B134 ΔE 0.031
- Icky Green #8FAE22 ΔE 0.032
- Bright Olive #9CBB04 ΔE 0.033
- Pea Green #8EAB12 ΔE 0.038
- Avocado Green #87A922 ΔE 0.043
Use #81B928 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.