#555D18#555D18

#555D18 is a mid, moderate yellow. Relative luminance 0.098; OKLCH L 45.7% C 0.091 H 115.8°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#555D18
RGB	rgb(85, 93, 24)
HSL	hsl(67, 59%, 23%)
HSV	hsv(67, 74%, 36%)
CMYK	cmyk(8.6%, 0%, 74.2%, 63.5%)
CIE-LAB	lab(37.53, -13.21, 36.62)
CIE-LCH	lch(37.53, 38.93, 109.83°)
OKLab	oklab(45.69% -0.0397 0.0819)
OKLCH	oklch(45.69% 0.091 115.8)
XYZ	xyz(7.8257, 9.8261, 2.3483)
Luminance	0.0983 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555D18 #20185D

analogous

#5D4218 #555D18 #325D18

triadic

#555D18 #18555D #5D1855

tetradic

#555D18 #185D42 #20185D #5D1832

square

#555D18 #185D42 #20185D #5D1832

split-complementary

#555D18 #18325D #42185D

monochromatic

#161806 #292C0B #555D18 #818E25 #AEBE31

Accessibility & contrast

On white

7.08

#555D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#555D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #555D18

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555D18	#FFFFFF	#000000	##FFFFFF
##555D18	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64580D

Deuteranopia (green-blind)

#63591D

Tritanopia (blue-blind)

#5B574F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #555d18;
/* rgb */ color: rgb(85, 93, 24);
/* oklch */ color: oklch(45.7% 0.091 115.8);

Tailwind

colors: {
  custom: {
    50: '#878a5a',
    500: '#555d18',
    950: '#000000',
  },
}

SCSS

$custom: #555d18;
$custom-light: #878a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#555d18",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 24
  },
  "hsl": {
    "h": 66.957,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.45692,
    "c": 0.09102,
    "h": 115.8
  },
  "luminance": 0.09826
}

Semantic roles & 50–950 ramp

primary

#555D18

secondary

#473D93

accent

#46E258

background

#F8F8F5

surface

#F0F0E9

border

#CBCBC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #555D18

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

Preview Lab → · Contrast checker → · Palette generator →