#37531D#37531D

#37531D is a dark, moderate yellow-green. Relative luminance 0.071; OKLCH L 40.7% C 0.087 H 132.2°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#37531D
RGB	rgb(55, 83, 29)
HSL	hsl(91, 48%, 22%)
HSV	hsv(91, 65%, 33%)
CMYK	cmyk(33.7%, 0%, 65.1%, 67.5%)
CIE-LAB	lab(32.00, -20.95, 27.70)
CIE-LCH	lch(32.00, 34.73, 127.10°)
OKLab	oklab(40.67% -0.0585 0.0645)
OKLCH	oklch(40.67% 0.087 132.2)
XYZ	xyz(4.8905, 7.0873, 2.2725)
Luminance	0.0709 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37531D #391D53

analogous

#52531D #37531D #1D531E

triadic

#37531D #1D3753 #531D37

tetradic

#37531D #1D5253 #391D53 #531E1D

square

#37531D #1D5253 #391D53 #531E1D

split-complementary

#37531D #1E1D53 #531D52

monochromatic

#0F1708 #19260D #37531D #55802D #73AE3D

Accessibility & contrast

On white

8.69

#37531D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#37531D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37531D

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37531D	#FFFFFF	#000000	##FFFFFF
##37531D	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)

#574D17

Deuteranopia (green-blind)

#534B21

Tritanopia (blue-blind)

#385047

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37531d;
/* rgb */ color: rgb(55, 83, 29);
/* oklch */ color: oklch(40.7% 0.087 132.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37531d",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 29
  },
  "hsl": {
    "h": 91.111,
    "s": 48.214,
    "l": 21.961
  },
  "oklch": {
    "l": 0.4067,
    "c": 0.08711,
    "h": 132.2
  },
  "luminance": 0.07087
}

Semantic roles & 50–950 ramp

primary

#37531D

secondary

#674488

accent

#50D896

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080A04

muted

#7B7C79

Preview Lab

Preview with #37531D

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

Preview Lab → · Contrast checker → · Palette generator →