#37B84B
Closest named color: Leafy Green (#51B73B). oklch(69% 0.187 145.6), rgb(55, 184, 75).
Aa
Black text reads best on this color (8.12:1).
About this color
#37B84B is a medium-light, vivid green. In OKLCH its lightness is 69%, 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 8.12:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.12:1 |
| White text | 2.58:1 |
Values
| HEX | #37B84B |
| RGB | rgb(55, 184, 75) |
| HSL | hsl(129, 54%, 47%) |
| OKLCH | oklch(69% 0.187 145.6) |
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 #37B84B | 2.58:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #37B84B | 8.12:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #37B84B text on white | 2.58:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #37B84B text on black | 8.12:1 | AAA | Lc -51.9 | 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
#8FD592
oklch(80.9% 0.117 145.4)
-
Step 400
400 (this color)
#37B84B
oklch(69% 0.187 145.6)
-
Step 500
500
#00A632
oklch(63.1% 0.195 145.7)
-
Step 600
600
#008C28
oklch(55.7% 0.172 145.6)
-
Step 700
700
#007621
oklch(49.2% 0.152 145.7)
-
Step 800
800
#006119
oklch(42.8% 0.133 145.6)
-
Step 900
900
#005113
oklch(37.8% 0.117 145.5)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#37B84B 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) | #BBA740 | 0.142 |
| Deuteranopia (no green cones) | #AC9D54 | 0.141 |
| Tritanopia (no blue cones) | #00B3A0 | 0.113 |
| Achromatopsia (no color) | #A1A1A1 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37B84B
#37B84B
oklch(69% 0.187 145.6)
- #D46CD9
#D46CD9
oklch(69.1% 0.187 325.6)
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 #37B84B, closest first.
No curated palette has a color within ΔE 0.04 of #37B84B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.018
- Shamrock #01B44C ΔE 0.021
- Shamrock Green #02C14D ΔE 0.027
- Cool Green #33B864 ΔE 0.027
- Medium Green #39AD48 ΔE 0.031
- Grass #5CAC2D ΔE 0.037
- Dark Pastel Green #56AE57 ΔE 0.040
- Algae Green #21C36F ΔE 0.041
Use #37B84B 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.