#424B33#424B33

#424B33 is a dark, muted yellow-green. Relative luminance 0.064; OKLCH L 39.8% C 0.040 H 124.9°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#424B33
RGB	rgb(66, 75, 51)
HSL	hsl(83, 19%, 25%)
HSV	hsv(83, 32%, 29%)
CMYK	cmyk(12%, 0%, 32%, 70.6%)
CIE-LAB	lab(30.47, -8.56, 13.14)
CIE-LCH	lch(30.47, 15.69, 123.09°)
OKLab	oklab(39.76% -0.023 0.033)
OKLCH	oklch(39.76% 0.04 124.9)
XYZ	xyz(5.3603, 6.4294, 4.0899)
Luminance	0.0643 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B33 #3C334B

analogous

#4B4833 #424B33 #364B33

triadic

#424B33 #33424B #4B3342

tetradic

#424B33 #334B48 #3C334B #4B3336

square

#424B33 #334B48 #3C334B #4B3336

split-complementary

#424B33 #33364B #48334B

monochromatic

#10120C #22271A #424B33 #626F4C #829465

Accessibility & contrast

On white

9.19

#424B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#424B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B33

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B33	#FFFFFF	#000000	##FFFFFF
##424B33	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4831

Deuteranopia (green-blind)

#4C4834

Tritanopia (blue-blind)

#444945

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #424b33;
/* rgb */ color: rgb(66, 75, 51);
/* oklch */ color: oklch(39.8% 0.040 124.9);

Tailwind

colors: {
  custom: {
    50: '#767d6a',
    500: '#424b33',
    950: '#000000',
  },
}

SCSS

$custom: #424b33;
$custom-light: #767d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#424b33",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 51
  },
  "hsl": {
    "h": 82.5,
    "s": 19.048,
    "l": 24.706
  },
  "oklch": {
    "l": 0.39757,
    "c": 0.04027,
    "h": 124.9
  },
  "luminance": 0.06429
}

Semantic roles & 50–950 ramp

primary

#424B33

secondary

#695E7B

accent

#6CBC8A

background

#F7F7F6

surface

#EDEEEB

border

#C8C9C6

text

#080906

muted

#7B7B7A

Preview Lab

Preview with #424B33

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

Preview Lab → · Contrast checker → · Palette generator →