#37BA4D
Closest named color: Leafy Green (#51B73B). oklch(69.5% 0.187 145.9), rgb(55, 186, 77).
Aa
Black text reads best on this color (8.29:1).
About this color
#37BA4D is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.187 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.018 away. Black text reads best on it, at 8.29:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.29:1 |
| White text | 2.53:1 |
Values
| HEX | #37BA4D |
| RGB | rgb(55, 186, 77) |
| HSL | hsl(130, 54%, 47%) |
| OKLCH | oklch(69.5% 0.187 145.9) |
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 #37BA4D | 2.53:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #37BA4D | 8.29:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #37BA4D text on white | 2.53:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #37BA4D text on black | 8.29:1 | AAA | Lc -52.8 | 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
#EFF8EF
oklch(97% 0.015 145.5)
-
Step 100
100
#DCF0DD
oklch(93.5% 0.033 146.7)
-
Step 200
200
#BFE5C0
oklch(88.5% 0.064 145.7)
-
Step 300
300
#8ED592
oklch(80.9% 0.117 145.7)
-
Step 400
400 (this color)
#37BA4D
oklch(69.5% 0.187 145.9)
-
Step 500
500
#00A634
oklch(63.1% 0.193 145.9)
-
Step 600
600
#008C2A
oklch(55.7% 0.171 145.8)
-
Step 700
700
#007622
oklch(49.2% 0.151 145.8)
-
Step 800
800
#00601A
oklch(42.5% 0.131 145.8)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#003009
oklch(26.9% 0.082 146)
#37BA4D 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) | #BDA942 | 0.143 |
| Deuteranopia (no green cones) | #AD9F56 | 0.141 |
| Tritanopia (no blue cones) | #00B6A2 | 0.112 |
| Achromatopsia (no color) | #A3A3A3 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37BA4D
#37BA4D
oklch(69.5% 0.187 145.9)
- #D66DDA
#D66DDA
oklch(69.5% 0.187 326)
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 #37BA4D, closest first.
No curated palette has a color within ΔE 0.04 of #37BA4D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.018
- Shamrock Green #02C14D ΔE 0.022
- Shamrock #01B44C ΔE 0.025
- Cool Green #33B864 ΔE 0.027
- Medium Green #39AD48 ΔE 0.037
- Algae Green #21C36F ΔE 0.037
- Dark Mint Green #20C073 ΔE 0.040
- Frog Green #58BC08 ΔE 0.041
Use #37BA4D 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.