#37A71C
Closest named color: Kelly Green (#02AB2E). oklch(64% 0.196 140.6), rgb(55, 167, 28).
Aa
Black text reads best on this color (6.70:1).
About this color
#37A71C is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.196 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 0.017 away. Black text reads best on it, at 6.70:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.70:1 |
| White text | 3.13:1 |
Values
| HEX | #37A71C |
| RGB | rgb(55, 167, 28) |
| HSL | hsl(108, 71%, 38%) |
| OKLCH | oklch(64% 0.196 140.6) |
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 #37A71C | 3.13:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #37A71C | 6.70:1 | AA | Lc 46.2 | Large or bold text, headings |
| #37A71C text on white | 3.13:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #37A71C text on black | 6.70:1 | AA | Lc -43.9 | Non-text elements, placeholder text |
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
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C7E2C1
oklch(88.4% 0.053 140)
-
Step 300
300
#9FD096
oklch(80.8% 0.095 140.7)
-
Step 400
400
#67B758
oklch(70.6% 0.153 140.6)
-
Step 500
500 (this color)
#37A71C
oklch(64% 0.196 140.6)
-
Step 600
600
#238B00
oklch(55.6% 0.181 140.6)
-
Step 700
700
#1C7500
oklch(49.2% 0.16 140.5)
-
Step 800
800
#156000
oklch(42.7% 0.139 140.6)
-
Step 900
900
#105000
oklch(37.7% 0.123 140.6)
-
Step 950
950
#0B2F04
oklch(26.9% 0.08 140.4)
#37A71C 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) | #AC9700 | 0.134 |
| Deuteranopia (no green cones) | #9E8E2E | 0.133 |
| Tritanopia (no blue cones) | #22A18E | 0.132 |
| Achromatopsia (no color) | #929292 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A71C
#37A71C
oklch(64% 0.196 140.6)
- #BF5BD4
#BF5BD4
oklch(64% 0.197 320.4)
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 #37A71C, closest first.
No curated palette has a color within ΔE 0.04 of #37A71C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.017
- Leaf Green #5CA904 ΔE 0.029
- Grassy Green #419C03 ΔE 0.030
- Grass Green #3F9B0B ΔE 0.033
- Medium Green #39AD48 ΔE 0.034
- Grass #5CAC2D ΔE 0.036
- Mid Green #50A747 ΔE 0.041
- Shamrock #01B44C ΔE 0.042
Use #37A71C 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.