#81D173
Closest named color: Light Moss Green (#A6C875). oklch(78.7% 0.15 140.8), rgb(129, 209, 115).
Aa
Black text reads best on this color (11.30:1).
About this color
#81D173 is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.150 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.047 away. Black text reads best on it, at 11.30:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.30:1 |
| White text | 1.85:1 |
Values
| HEX | #81D173 |
| RGB | rgb(129, 209, 115) |
| HSL | hsl(111, 51%, 64%) |
| OKLCH | oklch(78.7% 0.15 140.8) |
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 #81D173 | 1.85:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #81D173 | 11.30:1 | AAA | Lc 69.0 | Content text, not long reading |
| #81D173 text on white | 1.85:1 | Fails | Lc 34.9 | Non-text elements, placeholder text |
| #81D173 text on black | 11.30:1 | AAA | Lc -67.7 | Content text, not long reading |
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 300.
-
Step 50
50
#EEF9EC
oklch(97% 0.021 140.9)
-
Step 100
100
#DBF2D7
oklch(93.7% 0.043 141)
-
Step 200
200
#BCE7B4
oklch(88.4% 0.082 140.7)
-
Step 300
300 (this color)
#81D173
oklch(78.7% 0.15 140.8)
-
Step 400
400
#31C100
oklch(70.8% 0.232 140.8)
-
Step 500
500
#29A500
oklch(63% 0.206 140.7)
-
Step 600
600
#218B00
oklch(55.6% 0.182 140.7)
-
Step 700
700
#1A7500
oklch(49.1% 0.161 140.8)
-
Step 800
800
#146000
oklch(42.7% 0.14 140.7)
-
Step 900
900
#0F5000
oklch(37.7% 0.123 140.7)
-
Step 950
950
#063000
oklch(27% 0.088 140.7)
#81D173 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) | #D6C36C | 0.107 |
| Deuteranopia (no green cones) | #CABB79 | 0.106 |
| Tritanopia (no blue cones) | #7ACCBA | 0.098 |
| Achromatopsia (no color) | #BEBEBE | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D173
#81D173
oklch(78.7% 0.15 140.8)
- #E598F4
#E598F4
oklch(78.8% 0.15 320.9)
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 #81D173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.047
- Soft Green #6FC276 ΔE 0.049
- Fresh Green #69D84F ΔE 0.053
- Yellow Green #9ACD32 ΔE 0.053
- Light Olive Green #A4BE5C ΔE 0.057
- Pale Olive Green #B1D27B ΔE 0.057
- Apple #6ECB3C ΔE 0.057
- Seaweed #18D17B ΔE 0.060
Use #81D173 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.