#55581B#55581B

#55581B is a dark, moderate yellow. Relative luminance 0.090; OKLCH L 44.4% C 0.082 H 112.0°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#55581B
RGB	rgb(85, 88, 27)
HSL	hsl(63, 53%, 23%)
HSV	hsv(63, 69%, 35%)
CMYK	cmyk(3.4%, 0%, 69.3%, 65.5%)
CIE-LAB	lab(35.97, -10.16, 33.67)
CIE-LCH	lch(35.97, 35.17, 106.79°)
OKLab	oklab(44.45% -0.0308 0.0763)
OKLCH	oklch(44.45% 0.082 112)
XYZ	xyz(7.4341, 8.9900, 2.3803)
Luminance	0.0899 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55581B #1E1B58

analogous

#583D1B #55581B #36581B

triadic

#55581B #1B5558 #581B55

tetradic

#55581B #1B583D #1E1B58 #581B36

square

#55581B #1B583D #1E1B58 #581B36

split-complementary

#55581B #1B3658 #3D1B58

monochromatic

#171707 #28290D #55581B #828729 #AFB638

Accessibility & contrast

On white

7.51

#55581B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#55581B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55581B

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55581B	#FFFFFF	#000000	##FFFFFF
##55581B	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5413

Deuteranopia (green-blind)

#5F551F

Tritanopia (blue-blind)

#5B524B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #55581b;
/* rgb */ color: rgb(85, 88, 27);
/* oklch */ color: oklch(44.4% 0.082 112.0);

Tailwind

colors: {
  custom: {
    50: '#87875b',
    500: '#55581b',
    950: '#000000',
  },
}

SCSS

$custom: #55581b;
$custom-light: #87875b;
$custom-dark: #000000;

JSON

{
  "hex": "#55581b",
  "rgb": {
    "r": 85,
    "g": 88,
    "b": 27
  },
  "hsl": {
    "h": 62.951,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.44447,
    "c": 0.08224,
    "h": 112
  },
  "luminance": 0.0899
}

Semantic roles & 50–950 ramp

primary

#55581B

secondary

#45418E

accent

#4BDC52

background

#F8F8F5

surface

#F0EFE9

border

#CBCAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #55581B

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

Preview Lab → · Contrast checker → · Palette generator →