#556E18#556E18

#556E18 is a mid, moderate yellow-green. Relative luminance 0.131; OKLCH L 50.1% C 0.113 H 124.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#556E18
RGB	rgb(85, 110, 24)
HSL	hsl(77, 64%, 26%)
HSV	hsv(77, 78%, 43%)
CMYK	cmyk(22.7%, 0%, 78.2%, 56.9%)
CIE-LAB	lab(42.99, -22.32, 41.96)
CIE-LCH	lch(42.99, 47.52, 118.01°)
OKLab	oklab(50.09% -0.0648 0.0932)
OKLCH	oklch(50.09% 0.113 124.8)
XYZ	xyz(9.4872, 13.1490, 2.9022)
Luminance	0.1315 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556E18 #31186E

analogous

#6E5C18 #556E18 #2A6E18

triadic

#556E18 #18556E #6E1855

tetradic

#556E18 #186E5C #31186E #6E182A

square

#556E18 #186E5C #31186E #6E182A

split-complementary

#556E18 #182A6E #5C186E

monochromatic

#131905 #2E3C0D #556E18 #7CA023 #A2D22F

Accessibility & contrast

On white

5.79

#556E18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#556E18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556E18

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556E18	#FFFFFF	#000000	##FFFFFF
##556E18	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746606

Deuteranopia (green-blind)

#716520

Tritanopia (blue-blind)

#59685E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #556e18;
/* rgb */ color: rgb(85, 110, 24);
/* oklch */ color: oklch(50.1% 0.113 124.8);

Tailwind

colors: {
  custom: {
    50: '#88975c',
    500: '#556e18',
    950: '#000000',
  },
}

SCSS

$custom: #556e18;
$custom-light: #88975c;
$custom-dark: #000000;

JSON

{
  "hex": "#556e18",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 24
  },
  "hsl": {
    "h": 77.442,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.50093,
    "c": 0.11347,
    "h": 124.8
  },
  "luminance": 0.13149
}

Semantic roles & 50–950 ramp

primary

#556E18

secondary

#5C3EA4

accent

#41E771

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0D04

muted

#7D7E79

Preview Lab

Preview with #556E18

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

Preview Lab → · Contrast checker → · Palette generator →