#37631C#37631C

#37631C is a mid, moderate yellow-green. Relative luminance 0.098; OKLCH L 45.2% C 0.112 H 135.8°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#37631C
RGB	rgb(55, 99, 28)
HSL	hsl(97, 56%, 25%)
HSV	hsv(97, 72%, 39%)
CMYK	cmyk(44.4%, 0%, 71.7%, 61.2%)
CIE-LAB	lab(37.52, -28.89, 34.20)
CIE-LCH	lch(37.52, 44.77, 130.19°)
OKLab	oklab(45.16% -0.0803 0.0782)
OKLCH	oklch(45.16% 0.112 135.8)
XYZ	xyz(6.2468, 9.8194, 2.6646)
Luminance	0.0982 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37631C #481C63

analogous

#5B631C #37631C #1C6324

triadic

#37631C #1C3763 #631C37

tetradic

#37631C #1C5B63 #481C63 #63241C

square

#37631C #1C5B63 #481C63 #63241C

split-complementary

#37631C #241C63 #631C5B

monochromatic

#0D1807 #1C330F #37631C #529329 #6CC237

Accessibility & contrast

On white

7.09

#37631C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#37631C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37631C

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37631C	#FFFFFF	#000000	##FFFFFF
##37631C	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B12

Deuteranopia (green-blind)

#615722

Tritanopia (blue-blind)

#365F55

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37631c;
/* rgb */ color: rgb(55, 99, 28);
/* oklch */ color: oklch(45.2% 0.112 135.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37631c",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 28
  },
  "hsl": {
    "h": 97.183,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.45164,
    "c": 0.11207,
    "h": 135.8
  },
  "luminance": 0.0982
}

Semantic roles & 50–950 ramp

primary

#37631C

secondary

#784398

accent

#49DFA6

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#080C04

muted

#7B7D79

Preview Lab

Preview with #37631C

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

Preview Lab → · Contrast checker → · Palette generator →