#37531B#37531B

#37531B is a dark, moderate yellow-green. Relative luminance 0.071; OKLCH L 40.6% C 0.089 H 131.8°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#37531B
RGB	rgb(55, 83, 27)
HSL	hsl(90, 51%, 22%)
HSV	hsv(90, 67%, 33%)
CMYK	cmyk(33.7%, 0%, 67.5%, 67.5%)
CIE-LAB	lab(31.98, -21.16, 28.70)
CIE-LCH	lch(31.98, 35.66, 126.40°)
OKLab	oklab(40.64% -0.0593 0.0664)
OKLCH	oklch(40.64% 0.089 131.8)
XYZ	xyz(4.8666, 7.0777, 2.1464)
Luminance	0.0708 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37531B #371B53

analogous

#53531B #37531B #1B531B

triadic

#37531B #1B3753 #531B37

tetradic

#37531B #1B5353 #371B53 #531B1B

square

#37531B #1B5353 #371B53 #531B1B

split-complementary

#37531B #1B1B53 #531B53

monochromatic

#0F1708 #18250C #37531B #56812A #74AF39

Accessibility & contrast

On white

8.69

#37531B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#37531B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37531B

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37531B	#FFFFFF	#000000	##FFFFFF
##37531B	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D14

Deuteranopia (green-blind)

#534A1F

Tritanopia (blue-blind)

#384F47

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37531b;
/* rgb */ color: rgb(55, 83, 27);
/* oklch */ color: oklch(40.6% 0.089 131.8);

Tailwind

colors: {
  custom: {
    50: '#70835a',
    500: '#37531b',
    950: '#000000',
  },
}

SCSS

$custom: #37531b;
$custom-light: #70835a;
$custom-dark: #000000;

JSON

{
  "hex": "#37531b",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 27
  },
  "hsl": {
    "h": 90,
    "s": 50.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.40645,
    "c": 0.08902,
    "h": 131.8
  },
  "luminance": 0.07078
}

Semantic roles & 50–950 ramp

primary

#37531B

secondary

#654189

accent

#4DDA94

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080A04

muted

#7B7C79

Preview Lab

Preview with #37531B

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

Preview Lab → · Contrast checker → · Palette generator →