#424B2B#424B2B

#424B2B is a dark, muted yellow-green. Relative luminance 0.064; OKLCH L 39.6% C 0.051 H 121.6°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#424B2B
RGB	rgb(66, 75, 43)
HSL	hsl(77, 27%, 23%)
HSV	hsv(77, 43%, 29%)
CMYK	cmyk(12%, 0%, 42.7%, 70.6%)
CIE-LAB	lab(30.31, -9.83, 17.88)
CIE-LCH	lch(30.31, 20.40, 118.81°)
OKLab	oklab(39.58% -0.027 0.0439)
OKLCH	oklch(39.58% 0.052 121.6)
XYZ	xyz(5.1989, 6.3648, 3.2397)
Luminance	0.0636 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B2B #342B4B

analogous

#4B442B #424B2B #324B2B

triadic

#424B2B #2B424B #4B2B42

tetradic

#424B2B #2B4B44 #342B4B #4B2B32

square

#424B2B #2B4B44 #342B4B #4B2B32

split-complementary

#424B2B #2B324B #442B4B

monochromatic

#11130B #202415 #424B2B #647241 #869958

Accessibility & contrast

On white

9.24

#424B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#424B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B2B

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B2B	#FFFFFF	#000000	##FFFFFF
##424B2B	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4829

Deuteranopia (green-blind)

#4D472D

Tritanopia (blue-blind)

#454843

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #424b2b;
/* rgb */ color: rgb(66, 75, 43);
/* oklch */ color: oklch(39.6% 0.051 121.6);

Tailwind

colors: {
  custom: {
    50: '#777d65',
    500: '#424b2b',
    950: '#000000',
  },
}

SCSS

$custom: #424b2b;
$custom-light: #777d65;
$custom-dark: #000000;

JSON

{
  "hex": "#424b2b",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 43
  },
  "hsl": {
    "h": 76.875,
    "s": 27.119,
    "l": 23.137
  },
  "oklch": {
    "l": 0.39581,
    "c": 0.0515,
    "h": 121.6
  },
  "luminance": 0.06365
}

Semantic roles & 50–950 ramp

primary

#424B2B

secondary

#60557D

accent

#64C37F

background

#F7F7F6

surface

#EDEEEB

border

#C8C9C6

text

#080905

muted

#7B7B7A

Preview Lab

Preview with #424B2B

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

Preview Lab → · Contrast checker → · Palette generator →