#37581D#37581D

#37581D is a dark, moderate yellow-green. Relative luminance 0.079; OKLCH L 42.1% C 0.095 H 133.7°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#37581D
RGB	rgb(55, 88, 29)
HSL	hsl(94, 50%, 23%)
HSV	hsv(94, 67%, 35%)
CMYK	cmyk(37.5%, 0%, 67%, 65.5%)
CIE-LAB	lab(33.73, -23.50, 29.63)
CIE-LCH	lch(33.73, 37.82, 128.41°)
OKLab	oklab(42.08% -0.0655 0.0686)
OKLCH	oklch(42.08% 0.095 133.7)
XYZ	xyz(5.2869, 7.8802, 2.4046)
Luminance	0.0788 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37581D #3E1D58

analogous

#54581D #37581D #1D5820

triadic

#37581D #1D3758 #581D37

tetradic

#37581D #1D5458 #3E1D58 #58201D

square

#37581D #1D5458 #3E1D58 #58201D

split-complementary

#37581D #201D58 #581D54

monochromatic

#0E1708 #1A2A0E #37581D #54862C #71B43B

Accessibility & contrast

On white

8.15

#37581D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#37581D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37581D

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37581D	#FFFFFF	#000000	##FFFFFF
##37581D	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5116

Deuteranopia (green-blind)

#574E22

Tritanopia (blue-blind)

#37544C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37581d;
/* rgb */ color: rgb(55, 88, 29);
/* oklch */ color: oklch(42.1% 0.095 133.7);

Tailwind

colors: {
  custom: {
    50: '#70875c',
    500: '#37581d',
    950: '#000000',
  },
}

SCSS

$custom: #37581d;
$custom-light: #70875c;
$custom-dark: #000000;

JSON

{
  "hex": "#37581d",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 29
  },
  "hsl": {
    "h": 93.559,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42076,
    "c": 0.09489,
    "h": 133.7
  },
  "luminance": 0.0788
}

Semantic roles & 50–950 ramp

primary

#37581D

secondary

#6D448D

accent

#4EDA9C

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37581D

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

Preview Lab → · Contrast checker → · Palette generator →