#57731B#57731B

#57731B is a mid, moderate yellow-green. Relative luminance 0.144; OKLCH L 51.6% C 0.117 H 125.9°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#57731B
RGB	rgb(87, 115, 27)
HSL	hsl(79, 62%, 28%)
HSV	hsv(79, 77%, 45%)
CMYK	cmyk(24.3%, 0%, 76.5%, 54.9%)
CIE-LAB	lab(44.75, -23.81, 42.59)
CIE-LCH	lch(44.75, 48.79, 119.21°)
OKLab	oklab(51.57% -0.0687 0.0949)
OKLCH	oklch(51.57% 0.117 125.9)
XYZ	xyz(10.2591, 14.3667, 3.2692)
Luminance	0.1437 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57731B #371B73

analogous

#73631B #57731B #2B731B

triadic

#57731B #1B5773 #731B57

tetradic

#57731B #1B7363 #371B73 #731B2B

square

#57731B #1B7363 #371B73 #731B2B

split-complementary

#57731B #1B2B73 #631B73

monochromatic

#131906 #32410F #57731B #7CA527 #A0D038

Accessibility & contrast

On white

5.42

#57731B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#57731B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57731B

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57731B	#FFFFFF	#000000	##FFFFFF
##57731B	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796B0A

Deuteranopia (green-blind)

#766923

Tritanopia (blue-blind)

#5B6D62

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #57731b;
/* rgb */ color: rgb(87, 115, 27);
/* oklch */ color: oklch(51.6% 0.117 125.9);

Tailwind

colors: {
  custom: {
    50: '#899b5e',
    500: '#57731b',
    950: '#000000',
  },
}

SCSS

$custom: #57731b;
$custom-light: #899b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#57731b",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 27
  },
  "hsl": {
    "h": 79.091,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.51566,
    "c": 0.11721,
    "h": 125.9
  },
  "luminance": 0.14367
}

Semantic roles & 50–950 ramp

primary

#57731B

secondary

#6242A8

accent

#43E576

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0E05

muted

#7D7E79

Preview Lab

Preview with #57731B

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

Preview Lab → · Contrast checker → · Palette generator →