#424B39#424B39

#424B39 is a dark, muted yellow-green. Relative luminance 0.065; OKLCH L 39.9% C 0.032 H 129.4°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#424B39
RGB	rgb(66, 75, 57)
HSL	hsl(90, 14%, 26%)
HSV	hsv(90, 24%, 29%)
CMYK	cmyk(12%, 0%, 24%, 70.6%)
CIE-LAB	lab(30.61, -7.48, 9.55)
CIE-LCH	lch(30.61, 12.13, 128.08°)
OKLab	oklab(39.91% -0.02 0.0244)
OKLCH	oklch(39.91% 0.032 129.4)
XYZ	xyz(5.5012, 6.4858, 4.8322)
Luminance	0.0649 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B39 #42394B

analogous

#4B4B39 #424B39 #394B39

triadic

#424B39 #39424B #4B3942

tetradic

#424B39 #394B4B #42394B #4B3939

square

#424B39 #394B4B #42394B #4B3939

split-complementary

#424B39 #39394B #4B394B

monochromatic

#0F110D #23281F #424B39 #616E53 #7F916E

Accessibility & contrast

On white

9.14

#424B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#424B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B39

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B39	#FFFFFF	#000000	##FFFFFF
##424B39	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4838

Deuteranopia (green-blind)

#4B483A

Tritanopia (blue-blind)

#434946

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #424b39;
/* rgb */ color: rgb(66, 75, 57);
/* oklch */ color: oklch(39.9% 0.032 129.4);

Tailwind

colors: {
  custom: {
    50: '#767d6f',
    500: '#424b39',
    950: '#000000',
  },
}

SCSS

$custom: #424b39;
$custom-light: #767d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#424b39",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 57
  },
  "hsl": {
    "h": 90,
    "s": 13.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3991,
    "c": 0.03154,
    "h": 129.4
  },
  "luminance": 0.06486
}

Semantic roles & 50–950 ramp

primary

#424B39

secondary

#70657B

accent

#71B694

background

#F7F7F6

surface

#EDEEEC

border

#C8C9C7

text

#080907

muted

#7B7B7A

Preview Lab

Preview with #424B39

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

Preview Lab → · Contrast checker → · Palette generator →