#37B58D
Closest named color: Greeny Blue (#42B395). oklch(69.4% 0.125 167.5), rgb(55, 181, 141).
Aa
Black text reads best on this color (8.15:1).
About this color
#37B58D is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.125 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.016 away. Black text reads best on it, at 8.15:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.15:1 |
| White text | 2.57:1 |
Values
| HEX | #37B58D |
| RGB | rgb(55, 181, 141) |
| HSL | hsl(161, 53%, 46%) |
| OKLCH | oklch(69.4% 0.125 167.5) |
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 #37B58D | 2.57:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #37B58D | 8.15:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #37B58D text on white | 2.57:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #37B58D text on black | 8.15:1 | AAA | Lc -52.0 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE7
oklch(93.6% 0.023 168.7)
-
Step 200
200
#BFE3D3
oklch(88.5% 0.044 166.7)
-
Step 300
300
#8ED1B6
oklch(80.8% 0.078 167.3)
-
Step 400
400 (this color)
#37B58D
oklch(69.4% 0.125 167.5)
-
Step 500
500
#00A27A
oklch(63.2% 0.129 167.5)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007255
oklch(49% 0.1 167.6)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#37B58D 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) | #B1A88B | 0.126 |
| Deuteranopia (no green cones) | #A09C90 | 0.121 |
| Tritanopia (no blue cones) | #00B6AA | 0.041 |
| Achromatopsia (no color) | #A1A1A1 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37B58D
#37B58D
oklch(69.4% 0.125 167.5)
- #D47BAB
#D47BAB
oklch(69.4% 0.125 347.3)
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 #37B58D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.016
- Bluey Green #2BB179 ΔE 0.029
- Dark Seafoam #1FB57A ΔE 0.030
- Dark Seafoam Green #3EAF76 ΔE 0.031
- Green Blue #01C08D ΔE 0.033
- Green Teal #0CB577 ΔE 0.036
- Medium Sea Green #3CB371 ΔE 0.037
- Tea #65AB7C ΔE 0.039
Use #37B58D 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.