#5B571B#5B571B

#5B571B is a dark, moderate yellow. Relative luminance 0.091; OKLCH L 44.8% C 0.080 H 105.5°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#5B571B
RGB	rgb(91, 87, 27)
HSL	hsl(56, 54%, 23%)
HSV	hsv(56, 70%, 36%)
CMYK	cmyk(0%, 4.4%, 70.3%, 64.3%)
CIE-LAB	lab(36.21, -6.66, 34.11)
CIE-LCH	lch(36.21, 34.75, 101.06°)
OKLab	oklab(44.78% -0.0214 0.077)
OKLCH	oklch(44.78% 0.08 105.5)
XYZ	xyz(7.9207, 9.1199, 2.3798)
Luminance	0.0912 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B571B #1B1F5B

analogous

#5B371B #5B571B #3F5B1B

triadic

#5B571B #1B5B57 #571B5B

tetradic

#5B571B #1B5B37 #1B1F5B #5B1B3F

square

#5B571B #1B5B37 #1B1F5B #5B1B3F

split-complementary

#5B571B #1B3F5B #371B5B

monochromatic

#181707 #2C2A0D #5B571B #8A8429 #B9B137

Accessibility & contrast

On white

7.44

#5B571B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#5B571B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B571B

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B571B	#FFFFFF	#000000	##FFFFFF
##5B571B	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5413

Deuteranopia (green-blind)

#60561F

Tritanopia (blue-blind)

#62514B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #5b571b;
/* rgb */ color: rgb(91, 87, 27);
/* oklch */ color: oklch(44.8% 0.080 105.5);

Tailwind

colors: {
  custom: {
    50: '#8c865b',
    500: '#5b571b',
    950: '#000000',
  },
}

SCSS

$custom: #5b571b;
$custom-light: #8c865b;
$custom-dark: #000000;

JSON

{
  "hex": "#5b571b",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 27
  },
  "hsl": {
    "h": 56.25,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.44783,
    "c": 0.07989,
    "h": 105.5
  },
  "luminance": 0.0912
}

Semantic roles & 50–950 ramp

primary

#5B571B

secondary

#414691

accent

#53DE4A

background

#F8F8F5

surface

#F0EFE9

border

#CBCAC5

text

#0C0B04

muted

#7D7C79

Preview Lab

Preview with #5B571B

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

Preview Lab → · Contrast checker → · Palette generator →