#37631D#37631D

#37631D is a mid, moderate yellow-green. Relative luminance 0.098; OKLCH L 45.2% C 0.111 H 136.0°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#37631D
RGB	rgb(55, 99, 29)
HSL	hsl(98, 55%, 25%)
HSV	hsv(98, 71%, 39%)
CMYK	cmyk(44.4%, 0%, 70.7%, 61.2%)
CIE-LAB	lab(37.53, -28.80, 33.76)
CIE-LCH	lch(37.53, 44.37, 130.47°)
OKLab	oklab(45.17% -0.08 0.0774)
OKLCH	oklch(45.17% 0.111 136)
XYZ	xyz(6.2590, 9.8243, 2.7286)
Luminance	0.0983 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37631D #491D63

analogous

#5A631D #37631D #1D6326

triadic

#37631D #1D3763 #631D37

tetradic

#37631D #1D5A63 #491D63 #63261D

square

#37631D #1D5A63 #491D63 #63261D

split-complementary

#37631D #261D63 #631D5A

monochromatic

#0D1807 #1D340F #37631D #51922B #6CC239

Accessibility & contrast

On white

7.08

#37631D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#37631D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37631D

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37631D	#FFFFFF	#000000	##FFFFFF
##37631D	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B14

Deuteranopia (green-blind)

#615723

Tritanopia (blue-blind)

#355F55

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37631d;
/* rgb */ color: rgb(55, 99, 29);
/* oklch */ color: oklch(45.2% 0.111 136.0);

Tailwind

colors: {
  custom: {
    50: '#72905d',
    500: '#37631d',
    950: '#000000',
  },
}

SCSS

$custom: #37631d;
$custom-light: #72905d;
$custom-dark: #000000;

JSON

{
  "hex": "#37631d",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 29
  },
  "hsl": {
    "h": 97.714,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.45174,
    "c": 0.11128,
    "h": 136
  },
  "luminance": 0.09825
}

Semantic roles & 50–950 ramp

primary

#37631D

secondary

#794498

accent

#4ADEA7

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#080C04

muted

#7B7D79

Preview Lab

Preview with #37631D

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

Preview Lab → · Contrast checker → · Palette generator →