#37AD71
Closest named color: Seaweed Green (#35AD6B). oklch(66.7% 0.138 156.8), rgb(55, 173, 113).
Aa
Black text reads best on this color (7.37:1).
About this color
#37AD71 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.138 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.008 away. Black text reads best on it, at 7.37:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.37:1 |
| White text | 2.84:1 |
Values
| HEX | #37AD71 |
| RGB | rgb(55, 173, 113) |
| HSL | hsl(149, 52%, 45%) |
| OKLCH | oklch(66.7% 0.138 156.8) |
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 #37AD71 | 2.84:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #37AD71 | 7.37:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #37AD71 text on white | 2.84:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #37AD71 text on black | 7.37:1 | AAA | Lc -47.6 | 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 500.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE5
oklch(93.6% 0.019 157.9)
-
Step 200
200
#C6E1CF
oklch(88.5% 0.038 156.4)
-
Step 300
300
#9DCEAF
oklch(80.8% 0.067 156.8)
-
Step 400
400
#62B585
oklch(70.7% 0.109 156.8)
-
Step 500
500 (this color)
#37AD71
oklch(66.7% 0.138 156.8)
-
Step 600
600
#008A52
oklch(55.7% 0.134 156.6)
-
Step 700
700
#007444
oklch(49.2% 0.118 156.6)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#072E1B
oklch(26.8% 0.056 157.6)
#37AD71 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) | #ACA06D | 0.125 |
| Deuteranopia (no green cones) | #9D9575 | 0.122 |
| Tritanopia (no blue cones) | #00AC9D | 0.063 |
| Achromatopsia (no color) | #999999 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37AD71
#37AD71
oklch(66.7% 0.138 156.8)
- #C971B3
#C971B3
oklch(66.8% 0.138 337.1)
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 #37AD71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.008
- Dark Seafoam Green #3EAF76 ΔE 0.010
- Bluey Green #2BB179 ΔE 0.013
- Jade Green #2BAF6A ΔE 0.014
- Medium Sea Green #3CB371 ΔE 0.019
- Algae #54AC68 ΔE 0.020
- Dark Seafoam #1FB57A ΔE 0.022
- Green Teal #0CB577 ΔE 0.023
Use #37AD71 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.