#37591C#37591C

#37591C is a dark, moderate yellow-green. Relative luminance 0.080; OKLCH L 42.3% C 0.097 H 133.7°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#37591C
RGB	rgb(55, 89, 28)
HSL	hsl(93, 52%, 23%)
HSV	hsv(93, 69%, 35%)
CMYK	cmyk(38.2%, 0%, 68.5%, 65.1%)
CIE-LAB	lab(34.07, -24.10, 30.50)
CIE-LCH	lch(34.07, 38.87, 128.32°)
OKLab	oklab(42.35% -0.0672 0.0703)
OKLCH	oklch(42.35% 0.097 133.7)
XYZ	xyz(5.3574, 8.0406, 2.3681)
Luminance	0.0804 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37591C #3E1C59

analogous

#55591C #37591C #1C5920

triadic

#37591C #1C3759 #591C37

tetradic

#37591C #1C5559 #3E1C59 #59201C

square

#37591C #1C5559 #3E1C59 #59201C

split-complementary

#37591C #201C59 #591C55

monochromatic

#0E1707 #1A2A0D #37591C #54882B #71B639

Accessibility & contrast

On white

8.05

#37591C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#37591C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37591C

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37591C	#FFFFFF	#000000	##FFFFFF
##37591C	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5215

Deuteranopia (green-blind)

#584F21

Tritanopia (blue-blind)

#37554C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #37591c;
/* rgb */ color: rgb(55, 89, 28);
/* oklch */ color: oklch(42.3% 0.097 133.7);

Tailwind

colors: {
  custom: {
    50: '#71885b',
    500: '#37591c',
    950: '#000000',
  },
}

SCSS

$custom: #37591c;
$custom-light: #71885b;
$custom-dark: #000000;

JSON

{
  "hex": "#37591c",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 28
  },
  "hsl": {
    "h": 93.443,
    "s": 52.137,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42346,
    "c": 0.09732,
    "h": 133.7
  },
  "luminance": 0.08041
}

Semantic roles & 50–950 ramp

primary

#37591C

secondary

#6D428F

accent

#4CDC9C

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37591C

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

Preview Lab → · Contrast checker → · Palette generator →