#37B41B#37B41B

#37B41B is a light, highly saturated green. Relative luminance 0.335; OKLCH L 67.5% C 0.211 H 140.8°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#37B41B
RGB	rgb(55, 180, 27)
HSL	hsl(109, 74%, 41%)
HSV	hsv(109, 85%, 71%)
CMYK	cmyk(69.4%, 0%, 85%, 29.4%)
CIE-LAB	lab(64.59, -59.74, 60.56)
CIE-LCH	lch(64.59, 85.07, 134.61°)
OKLab	oklab(67.52% -0.1635 0.1332)
OKLCH	oklch(67.52% 0.211 140.8)
XYZ	xyz(18.0937, 33.5319, 6.5555)
Luminance	0.3353 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B41B #981BB4

analogous

#83B41B #37B41B #1BB44C

triadic

#37B41B #1B37B4 #B41B37

tetradic

#37B41B #1B83B4 #981BB4 #B44C1B

square

#37B41B #1B83B4 #981BB4 #B44C1B

split-complementary

#37B41B #4C1BB4 #B41B83

monochromatic

#164A0B #277F13 #37B41B #4DDF2D #7AE762

Accessibility & contrast

On white

2.72

#37B41B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#37B41B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B41B

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B41B	#FFFFFF	#000000	##000000
##37B41B	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AA9930

Tritanopia (blue-blind)

#1BAE99

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #37b41b;
/* rgb */ color: rgb(55, 180, 27);
/* oklch */ color: oklch(67.5% 0.211 140.8);

Tailwind

colors: {
  custom: {
    50: '#81cc68',
    500: '#37b41b',
    950: '#000000',
  },
}

SCSS

$custom: #37b41b;
$custom-light: #81cc68;
$custom-dark: #000000;

JSON

{
  "hex": "#37b41b",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 109.02,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.6752,
    "c": 0.21086,
    "h": 140.8
  },
  "luminance": 0.33534
}

Semantic roles & 50–950 ramp

primary

#37B41B

secondary

#B85FCC

accent

#37F1CF

background

#F8FCF6

surface

#F0F9EB

border

#CBD2C6

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #37B41B

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

Preview Lab → · Contrast checker → · Palette generator →