#37E2A3
Closest named color: Aqua Green (#12E193). oklch(81.3% 0.163 162.9), rgb(55, 226, 163).
Aa
Black text reads best on this color (12.56:1).
About this color
#37E2A3 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.163 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.024 away. Black text reads best on it, at 12.56:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.56:1 |
| White text | 1.67:1 |
Values
| HEX | #37E2A3 |
| RGB | rgb(55, 226, 163) |
| HSL | hsl(158, 75%, 55%) |
| OKLCH | oklch(81.3% 0.163 162.9) |
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 #37E2A3 | 1.67:1 | Fails | Lc -32.6 | Non-text elements, placeholder text |
| Black text on #37E2A3 | 12.56:1 | AAA | Lc 74.9 | Content text, not long reading |
| #37E2A3 text on white | 1.67:1 | Fails | Lc 28.9 | Dividers and decoration only |
| #37E2A3 text on black | 12.56:1 | AAA | Lc -73.9 | 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
#E9FAF1
oklch(97% 0.021 163.1)
-
Step 100
100
#CFF4E1
oklch(93.6% 0.046 163.1)
-
Step 200
200
#A1ECC8
oklch(88.4% 0.09 163.1)
-
Step 300
300 (this color)
#37E2A3
oklch(81.3% 0.163 162.9)
-
Step 400
400
#00BD84
oklch(70.6% 0.153 162.8)
-
Step 500
500
#00A271
oklch(63% 0.136 163)
-
Step 600
600
#00895E
oklch(55.7% 0.121 162.5)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#37E2A3 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) | #DED19F | 0.158 |
| Deuteranopia (no green cones) | #C9C2A7 | 0.153 |
| Tritanopia (no blue cones) | #00E2D1 | 0.063 |
| Achromatopsia (no color) | #C8C8C8 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37E2A3
#37E2A3
oklch(81.3% 0.163 162.9)
- #FF9DD9
#FF9DD9
oklch(81.3% 0.137 343.1)
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 #37E2A3, closest first.
No curated palette has a color within ΔE 0.04 of #37E2A3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.024
- Aqua Marine #2EE8BB ΔE 0.031
- Emerald #06D6A0 ΔE 0.038
- Weird Green #3AE57F ΔE 0.048
- Seaweed #18D17B ΔE 0.063
- Turquoise #40E0D0 ΔE 0.065
- Bright Teal #01F9C6 ΔE 0.066
- Medium Aquamarine #66CDAA ΔE 0.066
Use #37E2A3 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.