#37CD9C
Closest named color: Emerald (#06D6A0). oklch(75.9% 0.143 166.1), rgb(55, 205, 156).
Aa
Black text reads best on this color (10.37:1).
About this color
#37CD9C is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.143 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.025 away. Black text reads best on it, at 10.37:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.37:1 |
| White text | 2.02:1 |
Values
| HEX | #37CD9C |
| RGB | rgb(55, 205, 156) |
| HSL | hsl(160, 60%, 51%) |
| OKLCH | oklch(75.9% 0.143 166.1) |
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 #37CD9C | 2.02:1 | Fails | Lc -43.4 | Non-text elements, placeholder text |
| Black text on #37CD9C | 10.37:1 | AAA | Lc 65.0 | Content text, not long reading |
| #37CD9C text on white | 2.02:1 | Fails | Lc 38.9 | Non-text elements, placeholder text |
| #37CD9C text on black | 10.37:1 | AAA | Lc -63.5 | 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 300.
-
Step 50
50
#EAFAF2
oklch(97.1% 0.02 164.6)
-
Step 100
100
#D1F3E4
oklch(93.6% 0.041 167)
-
Step 200
200
#A7EACD
oklch(88.4% 0.079 166)
-
Step 300
300 (this color)
#37CD9C
oklch(75.9% 0.143 166.1)
-
Step 400
400
#00BD8C
oklch(70.8% 0.147 166.2)
-
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)
#37CD9C 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) | #C8BE99 | 0.142 |
| Deuteranopia (no green cones) | #B5B19F | 0.136 |
| Tritanopia (no blue cones) | #00CEBF | 0.048 |
| Achromatopsia (no color) | #B6B6B6 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37CD9C
#37CD9C
oklch(75.9% 0.143 166.1)
- #F189C4
#F189C4
oklch(75.9% 0.144 346)
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 #37CD9C, closest first.
No curated palette has a color within ΔE 0.04 of #37CD9C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.025
- Greenblue #23C48B ΔE 0.033
- Medium Aquamarine #66CDAA ΔE 0.038
- Green Blue #01C08D ΔE 0.043
- Seaweed #18D17B ΔE 0.051
- Soft Green #6FC276 ΔE 0.052
- Dark Mint #48C072 ΔE 0.055
- Dark Mint Green #20C073 ΔE 0.060
Use #37CD9C 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.