#37CB37#37CB37

#37CB37 is a light, highly saturated green. Relative luminance 0.438; OKLCH L 73.8% C 0.222 H 142.9°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#37CB37
RGB	rgb(55, 203, 55)
HSL	hsl(120, 59%, 51%)
HSV	hsv(120, 73%, 80%)
CMYK	cmyk(72.9%, 0%, 72.9%, 20.4%)
CIE-LAB	lab(72.09, -65.36, 59.24)
CIE-LCH	lch(72.09, 88.21, 137.81°)
OKLab	oklab(73.8% -0.1774 0.1342)
OKLCH	oklch(73.8% 0.222 142.9)
XYZ	xyz(23.6196, 43.7973, 10.8226)
Luminance	0.4380 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37CB37 #CB37CB

analogous

#81CB37 #37CB37 #37CB81

triadic

#37CB37 #3737CB #CB3737

tetradic

#37CB37 #3781CB #CB37CB #CB8137

square

#37CB37 #3781CB #CB37CB #CB8137

split-complementary

#37CB37 #8137CB #CB3781

monochromatic

#1C6C1C #299C29 #37CB37 #68D868 #98E498

Accessibility & contrast

On white

2.15

#37CB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#37CB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37CB37

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37CB37	#FFFFFF	#000000	##000000
##37CB37	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB81C

Deuteranopia (green-blind)

#BFAC47

Tritanopia (blue-blind)

#00C5AE

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #37cb37;
/* rgb */ color: rgb(55, 203, 55);
/* oklch */ color: oklch(73.8% 0.222 142.9);

Tailwind

colors: {
  custom: {
    50: '#84dc77',
    500: '#37cb37',
    950: '#000000',
  },
}

SCSS

$custom: #37cb37;
$custom-light: #84dc77;
$custom-dark: #000000;

JSON

{
  "hex": "#37cb37",
  "rgb": {
    "r": 55,
    "g": 203,
    "b": 55
  },
  "hsl": {
    "h": 120,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.73796,
    "c": 0.22244,
    "h": 142.9
  },
  "luminance": 0.438
}

Semantic roles & 50–950 ramp

primary

#37CB37

secondary

#D08ED0

accent

#46E2E2

background

#F8FDF7

surface

#F0FBEE

border

#CBD4C9

text

#0D1509

muted

#7D837B

Preview Lab

Preview with #37CB37

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

Preview Lab → · Contrast checker → · Palette generator →