#55591B#55591B

#55591B is a dark, moderate yellow. Relative luminance 0.092; OKLCH L 44.7% C 0.084 H 112.8°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#55591B
RGB	rgb(85, 89, 27)
HSL	hsl(64, 53%, 23%)
HSV	hsv(64, 70%, 35%)
CMYK	cmyk(4.5%, 0%, 69.7%, 65.1%)
CIE-LAB	lab(36.28, -10.73, 34.00)
CIE-LCH	lch(36.28, 35.66, 107.52°)
OKLab	oklab(44.7% -0.0324 0.077)
OKLCH	oklch(44.7% 0.084 112.8)
XYZ	xyz(7.5167, 9.1553, 2.4079)
Luminance	0.0916 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55591B #1F1B59

analogous

#593E1B #55591B #36591B

triadic

#55591B #1B5559 #591B55

tetradic

#55591B #1B593E #1F1B59 #591B36

square

#55591B #1B593E #1F1B59 #591B36

split-complementary

#55591B #1B3659 #3E1B59

monochromatic

#161707 #282A0D #55591B #828829 #AFB737

Accessibility & contrast

On white

7.42

#55591B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#55591B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55591B

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55591B	#FFFFFF	#000000	##FFFFFF
##55591B	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605513

Deuteranopia (green-blind)

#60561F

Tritanopia (blue-blind)

#5B534C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #55591b;
/* rgb */ color: rgb(85, 89, 27);
/* oklch */ color: oklch(44.7% 0.084 112.8);

Tailwind

colors: {
  custom: {
    50: '#87875b',
    500: '#55591b',
    950: '#000000',
  },
}

SCSS

$custom: #55591b;
$custom-light: #87875b;
$custom-dark: #000000;

JSON

{
  "hex": "#55591b",
  "rgb": {
    "r": 85,
    "g": 89,
    "b": 27
  },
  "hsl": {
    "h": 63.871,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.44701,
    "c": 0.0835,
    "h": 112.8
  },
  "luminance": 0.09155
}

Semantic roles & 50–950 ramp

primary

#55591B

secondary

#46418F

accent

#4BDD54

background

#F8F8F5

surface

#F0EFE9

border

#CBCAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #55591B

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

Preview Lab → · Contrast checker → · Palette generator →