#424B37#424B37

#424B37 is a dark, muted yellow-green. Relative luminance 0.065; OKLCH L 39.9% C 0.034 H 127.6°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#424B37
RGB	rgb(66, 75, 55)
HSL	hsl(87, 15%, 25%)
HSV	hsv(87, 27%, 29%)
CMYK	cmyk(12%, 0%, 26.7%, 70.6%)
CIE-LAB	lab(30.56, -7.85, 10.75)
CIE-LCH	lch(30.56, 13.31, 126.16°)
OKLab	oklab(39.86% -0.021 0.0273)
OKLCH	oklch(39.86% 0.034 127.6)
XYZ	xyz(5.4523, 6.4662, 4.5745)
Luminance	0.0647 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B37 #40374B

analogous

#4B4A37 #424B37 #384B37

triadic

#424B37 #37424B #4B3742

tetradic

#424B37 #374B4A #40374B #4B3738

square

#424B37 #374B4A #40374B #4B3738

split-complementary

#424B37 #37384B #4A374B

monochromatic

#10120D #23281D #424B37 #616E51 #80926B

Accessibility & contrast

On white

9.16

#424B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#424B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B37

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B37	#FFFFFF	#000000	##FFFFFF
##424B37	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4836

Deuteranopia (green-blind)

#4C4838

Tritanopia (blue-blind)

#434946

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #424b37;
/* rgb */ color: rgb(66, 75, 55);
/* oklch */ color: oklch(39.9% 0.034 127.6);

Tailwind

colors: {
  custom: {
    50: '#767d6e',
    500: '#424b37',
    950: '#000000',
  },
}

SCSS

$custom: #424b37;
$custom-light: #767d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#424b37",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 55
  },
  "hsl": {
    "h": 87,
    "s": 15.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39857,
    "c": 0.03446,
    "h": 127.6
  },
  "luminance": 0.06466
}

Semantic roles & 50–950 ramp

primary

#424B37

secondary

#6E637B

accent

#70B890

background

#F7F7F6

surface

#EDEEEB

border

#C8C9C6

text

#080907

muted

#7B7B7A

Preview Lab

Preview with #424B37

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

Preview Lab → · Contrast checker → · Palette generator →