#37BE4F
Closest named color: Shamrock Green (#02C14D). oklch(70.6% 0.191 146), rgb(55, 190, 79).
Aa
Black text reads best on this color (8.64:1).
About this color
#37BE4F is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.191 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.016 away. Black text reads best on it, at 8.64:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.64:1 |
| White text | 2.43:1 |
Values
| HEX | #37BE4F |
| RGB | rgb(55, 190, 79) |
| HSL | hsl(131, 55%, 48%) |
| OKLCH | oklch(70.6% 0.191 146) |
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 #37BE4F | 2.43:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #37BE4F | 8.64:1 | AAA | Lc 56.6 | Large or bold text, headings |
| #37BE4F text on white | 2.43:1 | Fails | Lc 47.4 | Large or bold text, headings |
| #37BE4F text on black | 8.64:1 | AAA | Lc -54.7 | 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
#EFF9EF
oklch(97.2% 0.017 145.4)
-
Step 100
100
#DCF1DC
oklch(93.7% 0.036 145.3)
-
Step 200
200
#BEE6BF
oklch(88.6% 0.067 145.6)
-
Step 300
300
#8DD592
oklch(80.8% 0.118 146)
-
Step 400
400 (this color)
#37BE4F
oklch(70.6% 0.191 146)
-
Step 500
500
#00A635
oklch(63.1% 0.193 146)
-
Step 600
600
#008C2B
oklch(55.7% 0.17 146)
-
Step 700
700
#007623
oklch(49.2% 0.15 146)
-
Step 800
800
#00601B
oklch(42.6% 0.13 146.1)
-
Step 900
900
#005115
oklch(37.8% 0.116 146)
-
Step 950
950
#003009
oklch(26.9% 0.082 146)
#37BE4F 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) | #C1AD44 | 0.146 |
| Deuteranopia (no green cones) | #B1A258 | 0.145 |
| Tritanopia (no blue cones) | #00B9A6 | 0.116 |
| Achromatopsia (no color) | #A6A6A6 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37BE4F
#37BE4F
oklch(70.6% 0.191 146)
- #DB6FDF
#DB6FDF
oklch(70.6% 0.191 326)
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 #37BE4F, closest first.
No curated palette has a color within ΔE 0.04 of #37BE4F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.016
- Leafy Green #51B73B ΔE 0.023
- Cool Green #33B864 ΔE 0.032
- Algae Green #21C36F ΔE 0.033
- Shamrock #01B44C ΔE 0.035
- Dark Mint Green #20C073 ΔE 0.038
- Frog Green #58BC08 ΔE 0.038
- Dark Mint #48C072 ΔE 0.042
Use #37BE4F 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.