#5B581B#5B581B

#5B581B is a mid, moderate yellow. Relative luminance 0.093; OKLCH L 45.0% C 0.081 H 106.5°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#5B581B
RGB	rgb(91, 88, 27)
HSL	hsl(57, 54%, 23%)
HSV	hsv(57, 70%, 36%)
CMYK	cmyk(0%, 3.3%, 70.3%, 64.3%)
CIE-LAB	lab(36.52, -7.25, 34.43)
CIE-LCH	lch(36.52, 35.18, 101.90°)
OKLab	oklab(45.03% -0.023 0.0777)
OKLCH	oklch(45.03% 0.081 106.5)
XYZ	xyz(8.0022, 9.2830, 2.4070)
Luminance	0.0928 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B581B #1B1E5B

analogous

#5B381B #5B581B #3E5B1B

triadic

#5B581B #1B5B58 #581B5B

tetradic

#5B581B #1B5B38 #1B1E5B #5B1B3E

square

#5B581B #1B5B38 #1B1E5B #5B1B3E

split-complementary

#5B581B #1B3E5B #381B5B

monochromatic

#181707 #2C2A0D #5B581B #8A8629 #B9B337

Accessibility & contrast

On white

7.35

#5B581B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#5B581B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B581B

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B581B	#FFFFFF	#000000	##FFFFFF
##5B581B	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605513

Deuteranopia (green-blind)

#61571F

Tritanopia (blue-blind)

#62524B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #5b581b;
/* rgb */ color: rgb(91, 88, 27);
/* oklch */ color: oklch(45.0% 0.081 106.5);

Tailwind

colors: {
  custom: {
    50: '#8c865b',
    500: '#5b581b',
    950: '#000000',
  },
}

SCSS

$custom: #5b581b;
$custom-light: #8c865b;
$custom-dark: #000000;

JSON

{
  "hex": "#5b581b",
  "rgb": {
    "r": 91,
    "g": 88,
    "b": 27
  },
  "hsl": {
    "h": 57.188,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.45029,
    "c": 0.081,
    "h": 106.5
  },
  "luminance": 0.09283
}

Semantic roles & 50–950 ramp

primary

#5B581B

secondary

#414591

accent

#51DE4A

background

#F8F8F5

surface

#F0EFE9

border

#CBCAC5

text

#0C0B04

muted

#7D7C79

Preview Lab

Preview with #5B581B

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

Preview Lab → · Contrast checker → · Palette generator →