#5B501B#5B501B

#5B501B is a dark, moderate yellow. Relative luminance 0.080; OKLCH L 43.1% C 0.073 H 97.5°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#5B501B
RGB	rgb(91, 80, 27)
HSL	hsl(50, 54%, 23%)
HSV	hsv(50, 70%, 36%)
CMYK	cmyk(0%, 12.1%, 70.3%, 64.3%)
CIE-LAB	lab(34.07, -2.49, 31.85)
CIE-LCH	lch(34.07, 31.95, 94.47°)
OKLab	oklab(43.08% -0.0095 0.0722)
OKLCH	oklch(43.08% 0.073 97.5)
XYZ	xyz(7.3812, 8.0410, 2.2000)
Luminance	0.0804 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B501B #1B265B

analogous

#5B301B #5B501B #465B1B

triadic

#5B501B #1B5B50 #501B5B

tetradic

#5B501B #1B5B30 #1B265B #5B1B46

square

#5B501B #1B5B30 #1B265B #5B1B46

split-complementary

#5B501B #1B465B #301B5B

monochromatic

#181507 #2C270D #5B501B #8A7929 #B9A337

Accessibility & contrast

On white

8.05

#5B501B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#5B501B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B501B

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B501B	#FFFFFF	#000000	##FFFFFF
##5B501B	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E15

Deuteranopia (green-blind)

#5B521E

Tritanopia (blue-blind)

#624A45

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #5b501b;
/* rgb */ color: rgb(91, 80, 27);
/* oklch */ color: oklch(43.1% 0.073 97.5);

Tailwind

colors: {
  custom: {
    50: '#8c805a',
    500: '#5b501b',
    950: '#000000',
  },
}

SCSS

$custom: #5b501b;
$custom-light: #8c805a;
$custom-dark: #000000;

JSON

{
  "hex": "#5b501b",
  "rgb": {
    "r": 91,
    "g": 80,
    "b": 27
  },
  "hsl": {
    "h": 49.688,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.43079,
    "c": 0.07283,
    "h": 97.5
  },
  "luminance": 0.08041
}

Semantic roles & 50–950 ramp

primary

#5B501B

secondary

#414F91

accent

#64DE4A

background

#F8F7F5

surface

#F0EEE9

border

#CBC9C5

text

#0C0A04

muted

#7D7C79

Preview Lab

Preview with #5B501B

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

Preview Lab → · Contrast checker → · Palette generator →