#37AC79
Closest named color: Dark Seafoam Green (#3EAF76). oklch(66.6% 0.129 160.5), rgb(55, 172, 121).
Aa
Black text reads best on this color (7.33:1).
About this color
#37AC79 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.129 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.012 away. Black text reads best on it, at 7.33:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #37AC79 |
| RGB | rgb(55, 172, 121) |
| HSL | hsl(154, 52%, 45%) |
| OKLCH | oklch(66.6% 0.129 160.5) |
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 #37AC79 | 2.86:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #37AC79 | 7.33:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #37AC79 text on white | 2.86:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #37AC79 text on black | 7.33:1 | AAA | Lc -47.4 | 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
#E0EEE6
oklch(93.6% 0.018 161.1)
-
Step 200
200
#C6E1D1
oklch(88.5% 0.036 159.6)
-
Step 300
300
#9DCEB3
oklch(80.9% 0.064 160.4)
-
Step 400
400
#63B48B
oklch(70.7% 0.101 160.2)
-
Step 500
500 (this color)
#37AC79
oklch(66.6% 0.129 160.5)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005F3D
oklch(42.9% 0.096 160.4)
-
Step 900
900
#014F32
oklch(37.8% 0.084 160.3)
-
Step 950
950
#072E1D
oklch(26.9% 0.054 160.2)
#37AC79 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) | #AA9F76 | 0.123 |
| Deuteranopia (no green cones) | #9B947C | 0.120 |
| Tritanopia (no blue cones) | #00AB9E | 0.054 |
| Achromatopsia (no color) | #999999 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37AC79
#37AC79
oklch(66.6% 0.129 160.5)
- #C872AC
#C872AC
oklch(66.5% 0.13 340.5)
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 #37AC79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.012
- Bluey Green #2BB179 ΔE 0.015
- Seaweed Green #35AD6B ΔE 0.020
- Jade #1FA774 ΔE 0.020
- Jade Green #2BAF6A ΔE 0.026
- Dark Seafoam #1FB57A ΔE 0.026
- Algae #54AC68 ΔE 0.027
- Medium Sea Green #3CB371 ΔE 0.027
Use #37AC79 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.