#37CF9D
Closest named color: Emerald (#06D6A0). oklch(76.4% 0.144 165.9), rgb(55, 207, 157).
Aa
Black text reads best on this color (10.57:1).
About this color
#37CF9D is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.144 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.020 away. Black text reads best on it, at 10.57:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.57:1 |
| White text | 1.98:1 |
Values
| HEX | #37CF9D |
| RGB | rgb(55, 207, 157) |
| HSL | hsl(160, 61%, 51%) |
| OKLCH | oklch(76.4% 0.144 165.9) |
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 #37CF9D | 1.98:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #37CF9D | 10.57:1 | AAA | Lc 66.0 | Content text, not long reading |
| #37CF9D text on white | 1.98:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #37CF9D text on black | 10.57:1 | AAA | Lc -64.5 | 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
#D1F3E3
oklch(93.5% 0.041 165.4)
-
Step 200
200
#A6EBCD
oklch(88.6% 0.081 165.8)
-
Step 300
300 (this color)
#37CF9D
oklch(76.4% 0.144 165.9)
-
Step 400
400
#00BD8B
oklch(70.8% 0.147 165.8)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#37CF9D 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) | #CAC09A | 0.143 |
| Deuteranopia (no green cones) | #B7B2A0 | 0.139 |
| Tritanopia (no blue cones) | #00D0C1 | 0.049 |
| Achromatopsia (no color) | #B8B8B8 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37CF9D
#37CF9D
oklch(76.4% 0.144 165.9)
- #F38BC6
#F38BC6
oklch(76.5% 0.144 345.9)
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 #37CF9D, closest first.
No curated palette has a color within ΔE 0.04 of #37CF9D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.020
- Greenblue #23C48B ΔE 0.037
- Medium Aquamarine #66CDAA ΔE 0.037
- Green Blue #01C08D ΔE 0.048
- Seaweed #18D17B ΔE 0.049
- Soft Green #6FC276 ΔE 0.054
- Aqua Green #12E193 ΔE 0.057
- Dark Mint #48C072 ΔE 0.058
Use #37CF9D 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.