#5B511B#5B511B

#5B511B is a dark, moderate yellow. Relative luminance 0.082; OKLCH L 43.3% C 0.074 H 98.7°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#5B511B
RGB	rgb(91, 81, 27)
HSL	hsl(51, 54%, 23%)
HSV	hsv(51, 70%, 36%)
CMYK	cmyk(0%, 11%, 70.3%, 64.3%)
CIE-LAB	lab(34.37, -3.09, 32.17)
CIE-LCH	lch(34.37, 32.32, 95.49°)
OKLab	oklab(43.32% -0.0112 0.0729)
OKLCH	oklch(43.32% 0.074 98.7)
XYZ	xyz(7.4550, 8.1885, 2.2246)
Luminance	0.0819 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B511B #1B255B

analogous

#5B311B #5B511B #455B1B

triadic

#5B511B #1B5B51 #511B5B

tetradic

#5B511B #1B5B31 #1B255B #5B1B45

square

#5B511B #1B5B31 #1B255B #5B1B45

split-complementary

#5B511B #1B455B #311B5B

monochromatic

#181507 #2C270D #5B511B #8A7B29 #B9A537

Accessibility & contrast

On white

7.96

#5B511B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#5B511B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B511B

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B511B	#FFFFFF	#000000	##FFFFFF
##5B511B	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F14

Deuteranopia (green-blind)

#5C521E

Tritanopia (blue-blind)

#624B46

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #5b511b;
/* rgb */ color: rgb(91, 81, 27);
/* oklch */ color: oklch(43.3% 0.074 98.7);

Tailwind

colors: {
  custom: {
    50: '#8c815a',
    500: '#5b511b',
    950: '#000000',
  },
}

SCSS

$custom: #5b511b;
$custom-light: #8c815a;
$custom-dark: #000000;

JSON

{
  "hex": "#5b511b",
  "rgb": {
    "r": 91,
    "g": 81,
    "b": 27
  },
  "hsl": {
    "h": 50.625,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.4332,
    "c": 0.07376,
    "h": 98.7
  },
  "luminance": 0.08188
}

Semantic roles & 50–950 ramp

primary

#5B511B

secondary

#414E91

accent

#61DE4A

background

#F8F7F5

surface

#F0EEE9

border

#CBC9C5

text

#0C0A04

muted

#7D7C79

Preview Lab

Preview with #5B511B

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

Preview Lab → · Contrast checker → · Palette generator →