#37CF31#37CF31

#37CF31 is a light, highly saturated green. Relative luminance 0.457; OKLCH L 74.8% C 0.230 H 142.4°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#37CF31
RGB	rgb(55, 207, 49)
HSL	hsl(118, 62%, 50%)
HSV	hsv(118, 76%, 81%)
CMYK	cmyk(73.4%, 0%, 76.3%, 18.8%)
CIE-LAB	lab(73.32, -67.06, 62.49)
CIE-LCH	lch(73.32, 91.66, 137.02°)
OKLab	oklab(74.81% -0.1823 0.1402)
OKLCH	oklch(74.81% 0.23 142.4)
XYZ	xyz(24.4413, 45.6568, 10.4297)
Luminance	0.4566 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37CF31 #C931CF

analogous

#86CF31 #37CF31 #31CF7A

triadic

#37CF31 #3137CF #CF3137

tetradic

#37CF31 #3186CF #C931CF #CF7A31

square

#37CF31 #3186CF #C931CF #CF7A31

split-complementary

#37CF31 #7A31CF #CF3186

monochromatic

#1C6C19 #299E25 #37CF31 #67DB63 #97E694

Accessibility & contrast

On white

2.07

#37CF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#37CF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37CF31

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37CF31	#FFFFFF	#000000	##000000
##37CF31	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BB07

Deuteranopia (green-blind)

#C3B043

Tritanopia (blue-blind)

#00C9B1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #37cf31;
/* rgb */ color: rgb(55, 207, 49);
/* oklch */ color: oklch(74.8% 0.230 142.4);

Tailwind

colors: {
  custom: {
    50: '#86df74',
    500: '#37cf31',
    950: '#000000',
  },
}

SCSS

$custom: #37cf31;
$custom-light: #86df74;
$custom-dark: #000000;

JSON

{
  "hex": "#37cf31",
  "rgb": {
    "r": 55,
    "g": 207,
    "b": 49
  },
  "hsl": {
    "h": 117.722,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.74806,
    "c": 0.22996,
    "h": 142.4
  },
  "luminance": 0.4566
}

Semantic roles & 50–950 ramp

primary

#37CF31

secondary

#CF8BD1

accent

#43E5DF

background

#F9FDF7

surface

#F1FBED

border

#CBD4C8

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #37CF31

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →