#556C18#556C18

#556C18 is a mid, moderate yellow-green. Relative luminance 0.127; OKLCH L 49.6% C 0.111 H 124.0°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#556C18
RGB	rgb(85, 108, 24)
HSL	hsl(76, 64%, 26%)
HSV	hsv(76, 78%, 42%)
CMYK	cmyk(21.3%, 0%, 77.8%, 57.6%)
CIE-LAB	lab(42.34, -21.29, 41.34)
CIE-LCH	lch(42.34, 46.50, 117.25°)
OKLab	oklab(49.57% -0.062 0.0918)
OKLCH	oklch(49.57% 0.111 124)
XYZ	xyz(9.2738, 12.7223, 2.8310)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556C18 #2F186C

analogous

#6C5918 #556C18 #2B6C18

triadic

#556C18 #18556C #6C1855

tetradic

#556C18 #186C59 #2F186C #6C182B

square

#556C18 #186C59 #2F186C #6C182B

split-complementary

#556C18 #182B6C #59186C

monochromatic

#141906 #2E3A0D #556C18 #7C9E23 #A4D02E

Accessibility & contrast

On white

5.92

#556C18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#556C18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556C18

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556C18	#FFFFFF	#000000	##FFFFFF
##556C18	1.00	5.92	3.54	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726507

Deuteranopia (green-blind)

#6F6420

Tritanopia (blue-blind)

#59665C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #556c18;
/* rgb */ color: rgb(85, 108, 24);
/* oklch */ color: oklch(49.6% 0.111 124.0);

Tailwind

colors: {
  custom: {
    50: '#88965c',
    500: '#556c18',
    950: '#000000',
  },
}

SCSS

$custom: #556c18;
$custom-light: #88965c;
$custom-dark: #000000;

JSON

{
  "hex": "#556c18",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 24
  },
  "hsl": {
    "h": 76.429,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.49571,
    "c": 0.1108,
    "h": 124
  },
  "luminance": 0.12722
}

Semantic roles & 50–950 ramp

primary

#556C18

secondary

#593EA2

accent

#41E76E

background

#F8F9F5

surface

#F0F1E9

border

#CBCBC5

text

#0C0D04

muted

#7D7E79

Preview Lab

Preview with #556C18

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

Preview Lab → · Contrast checker → · Palette generator →