#423B18#423B18

#423B18 is a dark, muted yellow. Relative luminance 0.044; OKLCH L 35.1% C 0.053 H 98.2°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#423B18
RGB	rgb(66, 59, 24)
HSL	hsl(50, 47%, 18%)
HSV	hsv(50, 64%, 26%)
CMYK	cmyk(0%, 10.6%, 63.6%, 74.1%)
CIE-LAB	lab(24.80, -2.31, 22.46)
CIE-LCH	lch(24.80, 22.58, 95.88°)
OKLab	oklab(35.1% -0.0075 0.0524)
OKLCH	oklch(35.1% 0.053 98.2)
XYZ	xyz(3.9757, 4.3523, 1.4946)
Luminance	0.0435 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B18 #181F42

analogous

#422618 #423B18 #344218

triadic

#423B18 #18423B #3B1842

tetradic

#423B18 #184226 #181F42 #421834

square

#423B18 #184226 #181F42 #421834

split-complementary

#423B18 #183442 #261842

monochromatic

#161408 #161408 #423B18 #6F6328 #9C8B39

Accessibility & contrast

On white

11.23

#423B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#423B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B18

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B18	#FFFFFF	#000000	##FFFFFF
##423B18	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413915

Deuteranopia (green-blind)

#433C1A

Tritanopia (blue-blind)

#473733

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b18;
/* rgb */ color: rgb(66, 59, 24);
/* oklch */ color: oklch(35.1% 0.053 98.2);

Tailwind

colors: {
  custom: {
    50: '#787056',
    500: '#423b18',
    950: '#000000',
  },
}

SCSS

$custom: #423b18;
$custom-light: #787056;
$custom-dark: #000000;

JSON

{
  "hex": "#423b18",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 24
  },
  "hsl": {
    "h": 50,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.35097,
    "c": 0.05298,
    "h": 98.2
  },
  "luminance": 0.04352
}

Semantic roles & 50–950 ramp

primary

#423B18

secondary

#3D4779

accent

#68D651

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090703

muted

#7B7A78

Preview Lab

Preview with #423B18

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

Preview Lab → · Contrast checker → · Palette generator →