#556818#556818

#556818 is a mid, moderate yellow-green. Relative luminance 0.119; OKLCH L 48.5% C 0.105 H 122.2°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#556818
RGB	rgb(85, 104, 24)
HSL	hsl(74, 63%, 25%)
HSV	hsv(74, 77%, 41%)
CMYK	cmyk(18.3%, 0%, 76.9%, 59.2%)
CIE-LAB	lab(41.05, -19.20, 40.09)
CIE-LCH	lch(41.05, 44.45, 115.59°)
OKLab	oklab(48.53% -0.0562 0.0892)
OKLCH	oklch(48.53% 0.105 122.2)
XYZ	xyz(8.8616, 11.8978, 2.6936)
Luminance	0.1190 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556818 #2B1868

analogous

#685318 #556818 #2D6818

triadic

#556818 #185568 #681855

tetradic

#556818 #186853 #2B1868 #68182D

square

#556818 #186853 #2B1868 #68182D

split-complementary

#556818 #182D68 #531868

monochromatic

#141906 #2C360D #556818 #7E9A23 #A6CB2F

Accessibility & contrast

On white

6.21

#556818 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#556818 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556818

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556818	#FFFFFF	#000000	##FFFFFF
##556818	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6109

Deuteranopia (green-blind)

#6C611F

Tritanopia (blue-blind)

#5A6259

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #556818;
/* rgb */ color: rgb(85, 104, 24);
/* oklch */ color: oklch(48.5% 0.105 122.2);

Tailwind

colors: {
  custom: {
    50: '#88935b',
    500: '#556818',
    950: '#000000',
  },
}

SCSS

$custom: #556818;
$custom-light: #88935b;
$custom-dark: #000000;

JSON

{
  "hex": "#556818",
  "rgb": {
    "r": 85,
    "g": 104,
    "b": 24
  },
  "hsl": {
    "h": 74.25,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.48529,
    "c": 0.10547,
    "h": 122.2
  },
  "luminance": 0.11898
}

Semantic roles & 50–950 ramp

primary

#556818

secondary

#553E9E

accent

#42E669

background

#F8F9F5

surface

#F0F1E9

border

#CBCBC5

text

#0C0D04

muted

#7D7E79

Preview Lab

Preview with #556818

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

Preview Lab → · Contrast checker → · Palette generator →