#555A18#555A18

#555A18 is a dark, moderate yellow. Relative luminance 0.093; OKLCH L 44.9% C 0.087 H 113.6°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#555A18
RGB	rgb(85, 90, 24)
HSL	hsl(65, 58%, 22%)
HSV	hsv(65, 73%, 35%)
CMYK	cmyk(5.6%, 0%, 73.3%, 64.7%)
CIE-LAB	lab(36.57, -11.51, 35.66)
CIE-LCH	lch(36.57, 37.47, 107.89°)
OKLab	oklab(44.93% -0.0349 0.0799)
OKLCH	oklch(44.93% 0.087 113.6)
XYZ	xyz(7.5676, 9.3097, 2.2623)
Luminance	0.0931 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555A18 #1D185A

analogous

#5A3E18 #555A18 #345A18

triadic

#555A18 #18555A #5A1855

tetradic

#555A18 #185A3E #1D185A #5A1834

square

#555A18 #185A3E #1D185A #5A1834

split-complementary

#555A18 #18345A #3E185A

monochromatic

#171806 #272A0B #555A18 #838A25 #B0BB32

Accessibility & contrast

On white

7.34

#555A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#555A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #555A18

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555A18	#FFFFFF	#000000	##FFFFFF
##555A18	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61550E

Deuteranopia (green-blind)

#61571D

Tritanopia (blue-blind)

#5B544D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #555a18;
/* rgb */ color: rgb(85, 90, 24);
/* oklch */ color: oklch(44.9% 0.087 113.6);

Tailwind

colors: {
  custom: {
    50: '#878859',
    500: '#555a18',
    950: '#000000',
  },
}

SCSS

$custom: #555a18;
$custom-light: #878859;
$custom-dark: #000000;

JSON

{
  "hex": "#555a18",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 24
  },
  "hsl": {
    "h": 64.545,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.44927,
    "c": 0.08721,
    "h": 113.6
  },
  "luminance": 0.0931
}

Semantic roles & 50–950 ramp

primary

#555A18

secondary

#443D91

accent

#47E152

background

#F8F8F5

surface

#F0EFE9

border

#CBCAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #555A18

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

Preview Lab → · Contrast checker → · Palette generator →