#424B18#424B18

#424B18 is a dark, moderate yellow-green. Relative luminance 0.063; OKLCH L 39.3% C 0.074 H 118.4°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#424B18
RGB	rgb(66, 75, 24)
HSL	hsl(71, 52%, 19%)
HSV	hsv(71, 68%, 29%)
CMYK	cmyk(12%, 0%, 68%, 70.6%)
CIE-LAB	lab(30.05, -12.05, 28.34)
CIE-LCH	lch(30.05, 30.79, 113.04°)
OKLab	oklab(39.28% -0.0352 0.065)
OKLCH	oklch(39.28% 0.074 118.4)
XYZ	xyz(4.9278, 6.2564, 1.8120)
Luminance	0.0626 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B18 #21184B

analogous

#4B3B18 #424B18 #294B18

triadic

#424B18 #18424B #4B1842

tetradic

#424B18 #184B3B #21184B #4B1829

square

#424B18 #184B3B #21184B #4B1829

split-complementary

#424B18 #18294B #3B184B

monochromatic

#141707 #191D09 #424B18 #6B7927 #94A836

Accessibility & contrast

On white

9.33

#424B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#424B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B18

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B18	#FFFFFF	#000000	##FFFFFF
##424B18	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504712

Deuteranopia (green-blind)

#4F471B

Tritanopia (blue-blind)

#464740

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #424b18;
/* rgb */ color: rgb(66, 75, 24);
/* oklch */ color: oklch(39.3% 0.074 118.4);

Tailwind

colors: {
  custom: {
    50: '#787d57',
    500: '#424b18',
    950: '#000000',
  },
}

SCSS

$custom: #424b18;
$custom-light: #787d57;
$custom-dark: #000000;

JSON

{
  "hex": "#424b18",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 24
  },
  "hsl": {
    "h": 70.588,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.39284,
    "c": 0.07389,
    "h": 118.4
  },
  "luminance": 0.06256
}

Semantic roles & 50–950 ramp

primary

#424B18

secondary

#493D82

accent

#4DDB66

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090903

muted

#7B7B78

Preview Lab

Preview with #424B18

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

Preview Lab → · Contrast checker → · Palette generator →