#31AF13
Closest named color: Kelly Green (#02AB2E). oklch(66% 0.21 140.9), rgb(49, 175, 19).
Aa
Black text reads best on this color (7.27:1).
About this color
#31AF13 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.210 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.023 away. Black text reads best on it, at 7.27:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.210) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #31AF13 |
| RGB | rgb(49, 175, 19) |
| HSL | hsl(108, 80%, 38%) |
| OKLCH | oklch(66% 0.21 140.9) |
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 #31AF13 | 2.88:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #31AF13 | 7.27:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #31AF13 text on white | 2.88:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #31AF13 text on black | 7.27:1 | AAA | Lc -47.2 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C5E3C0
oklch(88.5% 0.057 141.1)
-
Step 300
300
#9CD193
oklch(80.8% 0.102 140.9)
-
Step 400
400
#60B952
oklch(70.7% 0.165 141)
-
Step 500
500 (this color)
#31AF13
oklch(66% 0.21 140.9)
-
Step 600
600
#1F8B00
oklch(55.6% 0.182 140.9)
-
Step 700
700
#197500
oklch(49.1% 0.161 140.9)
-
Step 800
800
#136000
oklch(42.7% 0.14 140.8)
-
Step 900
900
#0E5000
oklch(37.6% 0.123 140.9)
-
Step 950
950
#063001
oklch(27% 0.087 141)
#31AF13 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) | #B49E00 | 0.145 |
| Deuteranopia (no green cones) | #A5942B | 0.143 |
| Tritanopia (no blue cones) | #0EA995 | 0.141 |
| Achromatopsia (no color) | #989898 | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31AF13
#31AF13
oklch(66% 0.21 140.9)
- #C95CDE
#C95CDE
oklch(65.9% 0.21 320.9)
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 #31AF13, closest first.
No curated palette has a color within ΔE 0.04 of #31AF13.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.023
- Leaf Green #5CA904 ΔE 0.031
- Shamrock #01B44C ΔE 0.035
- Grass #5CAC2D ΔE 0.037
- Medium Green #39AD48 ΔE 0.038
- Leafy Green #51B73B ΔE 0.041
- Frog Green #58BC08 ΔE 0.049
- Mid Green #50A747 ΔE 0.053
Use #31AF13 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.