#37E474
Closest named color: Weird Green (#3AE57F). oklch(81% 0.206 150), rgb(55, 228, 116).
Aa
Black text reads best on this color (12.51:1).
About this color
#37E474 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.206 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Weird Green (#3AE57F), ΔE 0.012 away. Black text reads best on it, at 12.51:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.206) |
| Temperature | in between |
| Nearest name | Weird Green (#3AE57F) |
| Black text | 12.51:1 |
| White text | 1.67:1 |
Values
| HEX | #37E474 |
| RGB | rgb(55, 228, 116) |
| HSL | hsl(141, 76%, 55%) |
| OKLCH | oklch(81% 0.206 150) |
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 #37E474 | 1.67:1 | Fails | Lc -32.8 | Non-text elements, placeholder text |
| Black text on #37E474 | 12.51:1 | AAA | Lc 74.7 | Content text, not long reading |
| #37E474 text on white | 1.67:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #37E474 text on black | 12.51:1 | AAA | Lc -73.7 | 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 300.
-
Step 50
50
#E9FBEC
oklch(97.1% 0.027 150.4)
-
Step 100
100
#CFF6D5
oklch(93.7% 0.06 149.5)
-
Step 200
200
#A1EFB1
oklch(88.5% 0.115 150)
-
Step 300
300 (this color)
#37E474
oklch(81% 0.206 150)
-
Step 400
400
#00C059
oklch(70.6% 0.194 150)
-
Step 500
500
#00A54B
oklch(63.1% 0.174 149.9)
-
Step 600
600
#008B3E
oklch(55.6% 0.154 149.9)
-
Step 700
700
#007533
oklch(49.1% 0.136 149.9)
-
Step 800
800
#006029
oklch(42.7% 0.118 150)
-
Step 900
900
#005021
oklch(37.7% 0.104 150)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#37E474 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) | #E5D06B | 0.169 |
| Deuteranopia (no green cones) | #D2C27C | 0.168 |
| Tritanopia (no blue cones) | #00E0CA | 0.114 |
| Achromatopsia (no color) | #C8C8C8 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37E474
#37E474
oklch(81% 0.206 150)
- #FF93F6
#FF93F6
oklch(80.9% 0.176 330.1)
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 #37E474, closest first.
No curated palette has a color within ΔE 0.04 of #37E474.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Weird Green #3AE57F ΔE 0.012
- Aqua Green #12E193 ΔE 0.040
- Fresh Green #69D84F ΔE 0.041
- Turquoise Green #04F489 ΔE 0.043
- Minty Green #0BF77D ΔE 0.050
- Toxic Green #61DE2A ΔE 0.053
- Spearmint #1EF876 ΔE 0.055
- Wintergreen #20F986 ΔE 0.055
Use #37E474 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.