#5A511B#5A511B

#5A511B is a dark, moderate yellow. Relative luminance 0.081; OKLCH L 43.2% C 0.074 H 99.8°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#5A511B
RGB	rgb(90, 81, 27)
HSL	hsl(51, 54%, 23%)
HSV	hsv(51, 70%, 35%)
CMYK	cmyk(0%, 10%, 70%, 64.7%)
CIE-LAB	lab(34.27, -3.59, 32.03)
CIE-LCH	lch(34.27, 32.23, 96.39°)
OKLab	oklab(43.21% -0.0125 0.0726)
OKLCH	oklch(43.21% 0.074 99.8)
XYZ	xyz(7.3570, 8.1380, 2.2200)
Luminance	0.0814 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A511B #1B245A

analogous

#5A321B #5A511B #435A1B

triadic

#5A511B #1B5A51 #511B5A

tetradic

#5A511B #1B5A32 #1B245A #5A1B43

square

#5A511B #1B5A32 #1B245A #5A1B43

split-complementary

#5A511B #1B435A #321B5A

monochromatic

#181507 #2B270D #5A511B #897B29 #B8A637

Accessibility & contrast

On white

7.99

#5A511B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#5A511B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A511B

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A511B	#FFFFFF	#000000	##FFFFFF
##5A511B	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F14

Deuteranopia (green-blind)

#5C521E

Tritanopia (blue-blind)

#614B46

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #5a511b;
/* rgb */ color: rgb(90, 81, 27);
/* oklch */ color: oklch(43.2% 0.074 99.8);

Tailwind

colors: {
  custom: {
    50: '#8b815a',
    500: '#5a511b',
    950: '#000000',
  },
}

SCSS

$custom: #5a511b;
$custom-light: #8b815a;
$custom-dark: #000000;

JSON

{
  "hex": "#5a511b",
  "rgb": {
    "r": 90,
    "g": 81,
    "b": 27
  },
  "hsl": {
    "h": 51.429,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.43213,
    "c": 0.0737,
    "h": 99.8
  },
  "luminance": 0.08138
}

Semantic roles & 50–950 ramp

primary

#5A511B

secondary

#414C90

accent

#60DD4B

background

#F8F7F5

surface

#F0EEE9

border

#CBC9C5

text

#0C0A04

muted

#7D7C79

Preview Lab

Preview with #5A511B

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

Preview Lab → · Contrast checker → · Palette generator →