#504B18#504B18

#504B18 is a dark, moderate yellow. Relative luminance 0.068; OKLCH L 40.6% C 0.070 H 103.7°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#504B18
RGB	rgb(80, 75, 24)
HSL	hsl(55, 54%, 20%)
HSV	hsv(55, 70%, 31%)
CMYK	cmyk(0%, 6.2%, 70%, 68.6%)
CIE-LAB	lab(31.36, -5.15, 30.12)
CIE-LCH	lch(31.36, 30.56, 99.71°)
OKLab	oklab(40.65% -0.0167 0.0684)
OKLCH	oklch(40.65% 0.07 103.7)
XYZ	xyz(5.9894, 6.8038, 1.8617)
Luminance	0.0680 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#504B18 #181D50

analogous

#502F18 #504B18 #395018

triadic

#504B18 #18504B #4B1850

tetradic

#504B18 #18502F #181D50 #501839

square

#504B18 #18502F #181D50 #501839

split-complementary

#504B18 #183950 #2F1850

monochromatic

#181607 #211F0A #504B18 #7F7726 #AEA334

Accessibility & contrast

On white

8.90

#504B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#504B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #504B18

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##504B18	#FFFFFF	#000000	##FFFFFF
##504B18	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524812

Deuteranopia (green-blind)

#544B1B

Tritanopia (blue-blind)

#564640

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #504b18;
/* rgb */ color: rgb(80, 75, 24);
/* oklch */ color: oklch(40.6% 0.070 103.7);

Tailwind

colors: {
  custom: {
    50: '#837d58',
    500: '#504b18',
    950: '#000000',
  },
}

SCSS

$custom: #504b18;
$custom-light: #837d58;
$custom-dark: #000000;

JSON

{
  "hex": "#504b18",
  "rgb": {
    "r": 80,
    "g": 75,
    "b": 24
  },
  "hsl": {
    "h": 54.643,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.40647,
    "c": 0.07039,
    "h": 103.7
  },
  "luminance": 0.06804
}

Semantic roles & 50–950 ramp

primary

#504B18

secondary

#3D4487

accent

#58DD4B

background

#F8F7F5

surface

#EFEEE9

border

#CAC9C5

text

#0B0903

muted

#7C7B78

Preview Lab

Preview with #504B18

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

Preview Lab → · Contrast checker → · Palette generator →