#37BB8F
Closest named color: Green Blue (#01C08D). oklch(71% 0.131 166.2), rgb(55, 187, 143).
Aa
Black text reads best on this color (8.66:1).
About this color
#37BB8F is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.131 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.020 away. Black text reads best on it, at 8.66:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.66:1 |
| White text | 2.42:1 |
Values
| HEX | #37BB8F |
| RGB | rgb(55, 187, 143) |
| HSL | hsl(160, 55%, 47%) |
| OKLCH | oklch(71% 0.131 166.2) |
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 #37BB8F | 2.42:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #37BB8F | 8.66:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #37BB8F text on white | 2.42:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #37BB8F text on black | 8.66:1 | AAA | Lc -54.7 | 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
#DCEFE6
oklch(93.6% 0.023 165.8)
-
Step 200
200
#BEE3D2
oklch(88.4% 0.045 165.8)
-
Step 300
300
#8CD2B5
oklch(80.9% 0.082 166.5)
-
Step 400
400 (this color)
#37BB8F
oklch(71% 0.131 166.2)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#37BB8F 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) | #B7AE8D | 0.130 |
| Deuteranopia (no green cones) | #A6A192 | 0.126 |
| Tritanopia (no blue cones) | #00BCAF | 0.045 |
| Achromatopsia (no color) | #A6A6A6 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37BB8F
#37BB8F
oklch(71% 0.131 166.2)
- #DB7EB2
#DB7EB2
oklch(70.9% 0.131 346.3)
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 #37BB8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.020
- Greeny Blue #42B395 ΔE 0.028
- Greenblue #23C48B ΔE 0.029
- Dark Seafoam #1FB57A ΔE 0.033
- Bluey Green #2BB179 ΔE 0.038
- Green Teal #0CB577 ΔE 0.039
- Medium Sea Green #3CB371 ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.040
Use #37BB8F 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.