#37AC29
Closest named color: Kelly Green (#02AB2E). oklch(65.4% 0.196 141.6), rgb(55, 172, 41).
Aa
Black text reads best on this color (7.09:1).
About this color
#37AC29 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.196 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.017 away. Black text reads best on it, at 7.09:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.09:1 |
| White text | 2.95:1 |
Values
| HEX | #37AC29 |
| RGB | rgb(55, 172, 41) |
| HSL | hsl(114, 62%, 42%) |
| OKLCH | oklch(65.4% 0.196 141.6) |
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 #37AC29 | 2.95:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #37AC29 | 7.09:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #37AC29 text on white | 2.95:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #37AC29 text on black | 7.09:1 | AAA | Lc -46.1 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDE
oklch(93.6% 0.028 142)
-
Step 200
200
#C6E3C2
oklch(88.6% 0.054 141.8)
-
Step 300
300
#9ED197
oklch(81% 0.096 141.6)
-
Step 400
400
#64B85A
oklch(70.8% 0.154 141.6)
-
Step 500
500 (this color)
#37AC29
oklch(65.4% 0.196 141.6)
-
Step 600
600
#158C00
oklch(55.7% 0.186 141.6)
-
Step 700
700
#107600
oklch(49.2% 0.164 141.6)
-
Step 800
800
#0B6100
oklch(42.8% 0.143 141.7)
-
Step 900
900
#085100
oklch(37.8% 0.126 141.6)
-
Step 950
950
#092F05
oklch(26.8% 0.08 141.5)
#37AC29 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) | #B09C0B | 0.135 |
| Deuteranopia (no green cones) | #A39237 | 0.137 |
| Tritanopia (no blue cones) | #1DA793 | 0.128 |
| Achromatopsia (no color) | #969696 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37AC29
#37AC29
oklch(65.4% 0.196 141.6)
- #C55FD6
#C55FD6
oklch(65.4% 0.196 321.7)
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 #37AC29, closest first.
No curated palette has a color within ΔE 0.04 of #37AC29.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.017
- Medium Green #39AD48 ΔE 0.025
- Leaf Green #5CA904 ΔE 0.026
- Grass #5CAC2D ΔE 0.028
- Shamrock #01B44C ΔE 0.030
- Mid Green #50A747 ΔE 0.038
- Leafy Green #51B73B ΔE 0.040
- Grassy Green #419C03 ΔE 0.044
Use #37AC29 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.