#37B16D
Closest named color: Medium Sea Green (#3CB371). oklch(67.7% 0.147 154.5), rgb(55, 177, 109).
Aa
Black text reads best on this color (7.67:1).
About this color
#37B16D is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.147 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.008 away. Black text reads best on it, at 7.67:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 7.67:1 |
| White text | 2.73:1 |
Values
| HEX | #37B16D |
| RGB | rgb(55, 177, 109) |
| HSL | hsl(147, 53%, 45%) |
| OKLCH | oklch(67.7% 0.147 154.5) |
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 #37B16D | 2.73:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #37B16D | 7.67:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #37B16D text on white | 2.73:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #37B16D text on black | 7.67:1 | AAA | Lc -49.3 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DDEFE2
oklch(93.5% 0.026 154.5)
-
Step 200
200
#C0E4CA
oklch(88.6% 0.052 153.9)
-
Step 300
300
#90D3A6
oklch(81% 0.093 154.4)
-
Step 400
400 (this color)
#37B16D
oklch(67.7% 0.147 154.5)
-
Step 500
500
#00A45C
oklch(63.1% 0.158 154.5)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#37B16D 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) | #B1A368 | 0.130 |
| Deuteranopia (no green cones) | #A19871 | 0.127 |
| Tritanopia (no blue cones) | #00AFA0 | 0.073 |
| Achromatopsia (no color) | #9C9C9C | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37B16D
#37B16D
oklch(67.7% 0.147 154.5)
- #CD71BC
#CD71BC
oklch(67.6% 0.148 334.3)
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 #37B16D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.008
- Jade Green #2BAF6A ΔE 0.010
- Seaweed Green #35AD6B ΔE 0.012
- Bluey Green #2BB179 ΔE 0.016
- Dark Seafoam Green #3EAF76 ΔE 0.016
- Green Teal #0CB577 ΔE 0.016
- Dark Seafoam #1FB57A ΔE 0.017
- Algae #54AC68 ΔE 0.021
Use #37B16D 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.