#37581A#37581A

#37581A is a dark, moderate yellow-green. Relative luminance 0.079; OKLCH L 42.0% C 0.098 H 133.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#37581A
RGB	rgb(55, 88, 26)
HSL	hsl(92, 54%, 22%)
HSV	hsv(92, 70%, 35%)
CMYK	cmyk(37.5%, 0%, 70.5%, 65.5%)
CIE-LAB	lab(33.70, -23.80, 31.07)
CIE-LCH	lch(33.70, 39.13, 127.45°)
OKLab	oklab(42.04% -0.0666 0.0713)
OKLCH	oklch(42.04% 0.098 133.1)
XYZ	xyz(5.2516, 7.8660, 2.2187)
Luminance	0.0787 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37581A #3B1A58

analogous

#56581A #37581A #1A581C

triadic

#37581A #1A3758 #581A37

tetradic

#37581A #1A5658 #3B1A58 #581C1A

square

#37581A #1A5658 #3B1A58 #581C1A

split-complementary

#37581A #1C1A58 #581A56

monochromatic

#0F1807 #19290C #37581A #558728 #72B636

Accessibility & contrast

On white

8.16

#37581A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#37581A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37581A

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37581A	#FFFFFF	#000000	##FFFFFF
##37581A	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5112

Deuteranopia (green-blind)

#574E1F

Tritanopia (blue-blind)

#37544B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37581a;
/* rgb */ color: rgb(55, 88, 26);
/* oklch */ color: oklch(42.0% 0.098 133.1);

Tailwind

colors: {
  custom: {
    50: '#71875a',
    500: '#37581a',
    950: '#000000',
  },
}

SCSS

$custom: #37581a;
$custom-light: #71875a;
$custom-dark: #000000;

JSON

{
  "hex": "#37581a",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 26
  },
  "hsl": {
    "h": 91.935,
    "s": 54.386,
    "l": 22.353
  },
  "oklch": {
    "l": 0.42042,
    "c": 0.09754,
    "h": 133.1
  },
  "luminance": 0.07866
}

Semantic roles & 50–950 ramp

primary

#37581A

secondary

#69408E

accent

#4ADE99

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37581A

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

Preview Lab → · Contrast checker → · Palette generator →