#37591F#37591F

#37591F is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.4% C 0.095 H 134.4°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#37591F
RGB	rgb(55, 89, 31)
HSL	hsl(95, 48%, 24%)
HSV	hsv(95, 65%, 35%)
CMYK	cmyk(38.2%, 0%, 65.2%, 65.1%)
CIE-LAB	lab(34.10, -23.79, 29.03)
CIE-LCH	lch(34.10, 37.53, 129.33°)
OKLab	oklab(42.38% -0.0661 0.0676)
OKLCH	oklch(42.38% 0.095 134.4)
XYZ	xyz(5.3951, 8.0557, 2.5667)
Luminance	0.0806 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37591F #411F59

analogous

#54591F #37591F #1F5924

triadic

#37591F #1F3759 #591F37

tetradic

#37591F #1F5459 #411F59 #59241F

square

#37591F #1F5459 #411F59 #59241F

split-complementary

#37591F #241F59 #591F54

monochromatic

#0E1708 #1B2C0F #37591F #53862F #6FB43F

Accessibility & contrast

On white

8.04

#37591F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#37591F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37591F

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37591F	#FFFFFF	#000000	##FFFFFF
##37591F	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5219

Deuteranopia (green-blind)

#584F23

Tritanopia (blue-blind)

#37564D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #37591f;
/* rgb */ color: rgb(55, 89, 31);
/* oklch */ color: oklch(42.4% 0.095 134.4);

Tailwind

colors: {
  custom: {
    50: '#70885d',
    500: '#37591f',
    950: '#000000',
  },
}

SCSS

$custom: #37591f;
$custom-light: #70885d;
$custom-dark: #000000;

JSON

{
  "hex": "#37591f",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 31
  },
  "hsl": {
    "h": 95.172,
    "s": 48.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.42381,
    "c": 0.09457,
    "h": 134.4
  },
  "luminance": 0.08056
}

Semantic roles & 50–950 ramp

primary

#37591F

secondary

#70468E

accent

#50D8A0

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37591F

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

Preview Lab → · Contrast checker → · Palette generator →