#505B18#505B18

#505B18 is a dark, moderate yellow. Relative luminance 0.093; OKLCH L 44.7% C 0.090 H 118.3°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#505B18
RGB	rgb(80, 91, 24)
HSL	hsl(70, 58%, 23%)
HSV	hsv(70, 74%, 36%)
CMYK	cmyk(12.1%, 0%, 73.6%, 64.3%)
CIE-LAB	lab(36.47, -14.45, 35.42)
CIE-LCH	lch(36.47, 38.25, 112.20°)
OKLab	oklab(44.74% -0.0428 0.0795)
OKLCH	oklch(44.74% 0.09 118.3)
XYZ	xyz(7.2144, 9.2537, 2.2701)
Luminance	0.0925 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505B18 #23185B

analogous

#5B4518 #505B18 #2E5B18

triadic

#505B18 #18505B #5B1850

tetradic

#505B18 #185B45 #23185B #5B182E

square

#505B18 #185B45 #23185B #5B182E

split-complementary

#505B18 #182E5B #45185B

monochromatic

#151806 #252B0B #505B18 #7B8B25 #A5BC32

Accessibility & contrast

On white

7.37

#505B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#505B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #505B18

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505B18	#FFFFFF	#000000	##FFFFFF
##505B18	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61560E

Deuteranopia (green-blind)

#60561D

Tritanopia (blue-blind)

#55564E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #505b18;
/* rgb */ color: rgb(80, 91, 24);
/* oklch */ color: oklch(44.7% 0.090 118.3);

Tailwind

colors: {
  custom: {
    50: '#838959',
    500: '#505b18',
    950: '#000000',
  },
}

SCSS

$custom: #505b18;
$custom-light: #838959;
$custom-dark: #000000;

JSON

{
  "hex": "#505b18",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 24
  },
  "hsl": {
    "h": 69.851,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.44736,
    "c": 0.09033,
    "h": 118.3
  },
  "luminance": 0.09254
}

Semantic roles & 50–950 ramp

primary

#505B18

secondary

#4B3D92

accent

#46E160

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #505B18

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

Preview Lab → · Contrast checker → · Palette generator →