#37571B#37571B

#37571B is a dark, moderate yellow-green. Relative luminance 0.077; OKLCH L 41.8% C 0.095 H 133.0°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#37571B
RGB	rgb(55, 87, 27)
HSL	hsl(92, 53%, 22%)
HSV	hsv(92, 69%, 34%)
CMYK	cmyk(36.8%, 0%, 69%, 65.9%)
CIE-LAB	lab(33.37, -23.20, 30.22)
CIE-LCH	lch(33.37, 38.10, 127.51°)
OKLab	oklab(41.77% -0.0649 0.0696)
OKLCH	oklch(41.77% 0.095 133)
XYZ	xyz(5.1815, 7.7075, 2.2514)
Luminance	0.0771 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37571B #3B1B57

analogous

#55571B #37571B #1B571D

triadic

#37571B #1B3757 #571B37

tetradic

#37571B #1B5557 #3B1B57 #571D1B

square

#37571B #1B5557 #3B1B57 #571D1B

split-complementary

#37571B #1D1B57 #571B55

monochromatic

#0F1707 #19280D #37571B #558629 #72B438

Accessibility & contrast

On white

8.26

#37571B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#37571B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37571B

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37571B	#FFFFFF	#000000	##FFFFFF
##37571B	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5014

Deuteranopia (green-blind)

#564E20

Tritanopia (blue-blind)

#37534A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #37571b;
/* rgb */ color: rgb(55, 87, 27);
/* oklch */ color: oklch(41.8% 0.095 133.0);

Tailwind

colors: {
  custom: {
    50: '#70865a',
    500: '#37571b',
    950: '#000000',
  },
}

SCSS

$custom: #37571b;
$custom-light: #70865a;
$custom-dark: #000000;

JSON

{
  "hex": "#37571b",
  "rgb": {
    "r": 55,
    "g": 87,
    "b": 27
  },
  "hsl": {
    "h": 92,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41771,
    "c": 0.09516,
    "h": 133
  },
  "luminance": 0.07708
}

Semantic roles & 50–950 ramp

primary

#37571B

secondary

#69418D

accent

#4CDC99

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37571B

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

Preview Lab → · Contrast checker → · Palette generator →