#37CBA2
Closest named color: Emerald (#06D6A0). oklch(75.6% 0.136 169.7), rgb(55, 203, 162).
Aa
Black text reads best on this color (10.22:1).
About this color
#37CBA2 is a medium-light, moderately saturated green. In OKLCH its lightness is 76%, its chroma 0.136 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.033 away. Black text reads best on it, at 10.22:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.22:1 |
| White text | 2.05:1 |
Values
| HEX | #37CBA2 |
| RGB | rgb(55, 203, 162) |
| HSL | hsl(163, 59%, 51%) |
| OKLCH | oklch(75.6% 0.136 169.7) |
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 #37CBA2 | 2.05:1 | Fails | Lc -44.1 | Non-text elements, placeholder text |
| Black text on #37CBA2 | 10.22:1 | AAA | Lc 64.3 | Content text, not long reading |
| #37CBA2 text on white | 2.05:1 | Fails | Lc 39.6 | Non-text elements, placeholder text |
| #37CBA2 text on black | 10.22:1 | AAA | Lc -62.7 | Content text, not long reading |
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
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#DBF0E7
oklch(93.7% 0.025 168.2)
-
Step 200
200
#BBE4D4
oklch(88.5% 0.048 169.5)
-
Step 300
300
#87D3B8
oklch(81% 0.085 169.7)
-
Step 400
400 (this color)
#37CBA2
oklch(75.6% 0.136 169.7)
-
Step 500
500
#00A17D
oklch(63% 0.125 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005E48
oklch(42.9% 0.085 169.8)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#37CBA2 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) | #C5BDA0 | 0.138 |
| Deuteranopia (no green cones) | #B2AFA5 | 0.133 |
| Tritanopia (no blue cones) | #00CCBF | 0.040 |
| Achromatopsia (no color) | #B5B5B5 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37CBA2
#37CBA2
oklch(75.6% 0.136 169.7)
- #EF8ABC
#EF8ABC
oklch(75.5% 0.136 349.8)
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 #37CBA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.033
- Medium Aquamarine #66CDAA ΔE 0.034
- Greenblue #23C48B ΔE 0.035
- Green Blue #01C08D ΔE 0.043
- Soft Green #6FC276 ΔE 0.058
- Topaz #13BBAF ΔE 0.058
- Seafoam Blue #78D1B6 ΔE 0.059
- Medium Turquoise #48D1CC ΔE 0.060
Use #37CBA2 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.