#37CC72
Closest named color: Seaweed (#18D17B). oklch(74.8% 0.178 152), rgb(55, 204, 114).
Aa
Black text reads best on this color (10.04:1).
About this color
#37CC72 is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.178 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.015 away. Black text reads best on it, at 10.04:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.04:1 |
| White text | 2.09:1 |
Values
| HEX | #37CC72 |
| RGB | rgb(55, 204, 114) |
| HSL | hsl(144, 59%, 51%) |
| OKLCH | oklch(74.8% 0.178 152) |
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 #37CC72 | 2.09:1 | Fails | Lc -45.0 | Non-text elements, placeholder text |
| Black text on #37CC72 | 10.04:1 | AAA | Lc 63.5 | Content text, not long reading |
| #37CC72 text on white | 2.09:1 | Fails | Lc 40.4 | Non-text elements, placeholder text |
| #37CC72 text on black | 10.04:1 | AAA | Lc -61.9 | Content text, not long reading |
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
#EFF9F1
oklch(97.2% 0.015 151.8)
-
Step 100
100
#DBF0DF
oklch(93.5% 0.032 151.2)
-
Step 200
200
#BCE5C5
oklch(88.4% 0.061 151.6)
-
Step 300
300
#88D59D
oklch(80.8% 0.11 152)
-
Step 400
400 (this color)
#37CC72
oklch(74.8% 0.178 152)
-
Step 500
500
#00A553
oklch(63.2% 0.167 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007439
oklch(49% 0.129 152)
-
Step 800
800
#00602E
oklch(42.8% 0.113 152)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#37CC72 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) | #CCBB6B | 0.150 |
| Deuteranopia (no green cones) | #BBAE78 | 0.149 |
| Tritanopia (no blue cones) | #00C9B6 | 0.094 |
| Achromatopsia (no color) | #B3B3B3 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37CC72
#37CC72
oklch(74.8% 0.178 152)
- #EC7EDF
#EC7EDF
oklch(74.7% 0.178 331.7)
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 #37CC72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.015
- Algae Green #21C36F ΔE 0.028
- Dark Mint #48C072 ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.038
- Greenblue #23C48B ΔE 0.045
- Soft Green #6FC276 ΔE 0.046
- Shamrock Green #02C14D ΔE 0.051
- Apple #6ECB3C ΔE 0.054
Use #37CC72 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.