#424C18#424C18

#424C18 is a dark, moderate yellow-green. Relative luminance 0.064; OKLCH L 39.6% C 0.075 H 119.2°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#424C18
RGB	rgb(66, 76, 24)
HSL	hsl(72, 52%, 20%)
HSV	hsv(72, 68%, 30%)
CMYK	cmyk(13.2%, 0%, 68.4%, 70.2%)
CIE-LAB	lab(30.38, -12.63, 28.70)
CIE-LCH	lch(30.38, 31.35, 113.75°)
OKLab	oklab(39.55% -0.0368 0.0658)
OKLCH	oklch(39.55% 0.075 119.2)
XYZ	xyz(4.9962, 6.3931, 1.8348)
Luminance	0.0639 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424C18 #22184C

analogous

#4C3C18 #424C18 #284C18

triadic

#424C18 #18424C #4C1842

tetradic

#424C18 #184C3C #22184C #4C1828

square

#424C18 #184C3C #22184C #4C1828

split-complementary

#424C18 #18284C #3C184C

monochromatic

#141707 #1A1D09 #424C18 #6A7B27 #93A935

Accessibility & contrast

On white

9.22

#424C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#424C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424C18

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424C18	#FFFFFF	#000000	##FFFFFF
##424C18	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514812

Deuteranopia (green-blind)

#50481C

Tritanopia (blue-blind)

#464841

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #424c18;
/* rgb */ color: rgb(66, 76, 24);
/* oklch */ color: oklch(39.6% 0.075 119.2);

Tailwind

colors: {
  custom: {
    50: '#787e58',
    500: '#424c18',
    950: '#000000',
  },
}

SCSS

$custom: #424c18;
$custom-light: #787e58;
$custom-dark: #000000;

JSON

{
  "hex": "#424c18",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 24
  },
  "hsl": {
    "h": 71.538,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.39551,
    "c": 0.07533,
    "h": 119.2
  },
  "luminance": 0.06393
}

Semantic roles & 50–950 ramp

primary

#424C18

secondary

#4A3D83

accent

#4CDB68

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090903

muted

#7B7B78

Preview Lab

Preview with #424C18

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

Preview Lab → · Contrast checker → · Palette generator →