#555B1B#555B1B

#555B1B is a mid, moderate yellow. Relative luminance 0.095; OKLCH L 45.2% C 0.086 H 114.5°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#555B1B
RGB	rgb(85, 91, 27)
HSL	hsl(66, 54%, 23%)
HSV	hsv(66, 70%, 36%)
CMYK	cmyk(6.6%, 0%, 70.3%, 64.3%)
CIE-LAB	lab(36.92, -11.87, 34.66)
CIE-LCH	lch(36.92, 36.64, 108.91°)
OKLab	oklab(45.21% -0.0356 0.0783)
OKLCH	oklch(45.21% 0.086 114.5)
XYZ	xyz(7.6854, 9.4927, 2.4641)
Luminance	0.0949 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555B1B #211B5B

analogous

#5B411B #555B1B #355B1B

triadic

#555B1B #1B555B #5B1B55

tetradic

#555B1B #1B5B41 #211B5B #5B1B35

square

#555B1B #1B5B41 #211B5B #5B1B35

split-complementary

#555B1B #1B355B #411B5B

monochromatic

#161807 #292C0D #555B1B #818A29 #ADB937

Accessibility & contrast

On white

7.24

#555B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#555B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #555B1B

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555B1B	#FFFFFF	#000000	##FFFFFF
##555B1B	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625612

Deuteranopia (green-blind)

#62571F

Tritanopia (blue-blind)

#5B554E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #555b1b;
/* rgb */ color: rgb(85, 91, 27);
/* oklch */ color: oklch(45.2% 0.086 114.5);

Tailwind

colors: {
  custom: {
    50: '#87895b',
    500: '#555b1b',
    950: '#000000',
  },
}

SCSS

$custom: #555b1b;
$custom-light: #87895b;
$custom-dark: #000000;

JSON

{
  "hex": "#555b1b",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 27
  },
  "hsl": {
    "h": 65.625,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.45209,
    "c": 0.08606,
    "h": 114.5
  },
  "luminance": 0.09493
}

Semantic roles & 50–950 ramp

primary

#555B1B

secondary

#494191

accent

#4ADE58

background

#F8F8F5

surface

#F0F0E9

border

#CBCBC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #555B1B

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

Preview Lab → · Contrast checker → · Palette generator →