#423E17#423E17

#423E17 is a dark, muted yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.057 H 103.5°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#423E17
RGB	rgb(66, 62, 23)
HSL	hsl(54, 48%, 17%)
HSV	hsv(54, 65%, 26%)
CMYK	cmyk(0%, 6.1%, 65.2%, 74.1%)
CIE-LAB	lab(25.76, -4.30, 24.12)
CIE-LCH	lch(25.76, 24.50, 100.11°)
OKLab	oklab(35.85% -0.0134 0.0559)
OKLCH	oklch(35.85% 0.057 103.5)
XYZ	xyz(4.1242, 4.6655, 1.4937)
Luminance	0.0466 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423E17 #171B42

analogous

#422917 #423E17 #304217

triadic

#423E17 #17423E #3E1742

tetradic

#423E17 #174229 #171B42 #421730

square

#423E17 #174229 #171B42 #421730

split-complementary

#423E17 #173042 #291742

monochromatic

#171508 #171508 #423E17 #6F6927 #9D9337

Accessibility & contrast

On white

10.86

#423E17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#423E17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423E17

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423E17	#FFFFFF	#000000	##FFFFFF
##423E17	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C13

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#473A35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #423e17;
/* rgb */ color: rgb(66, 62, 23);
/* oklch */ color: oklch(35.9% 0.057 103.5);

Tailwind

colors: {
  custom: {
    50: '#787356',
    500: '#423e17',
    950: '#000000',
  },
}

SCSS

$custom: #423e17;
$custom-light: #787356;
$custom-dark: #000000;

JSON

{
  "hex": "#423e17",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 23
  },
  "hsl": {
    "h": 54.419,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.35852,
    "c": 0.05745,
    "h": 103.5
  },
  "luminance": 0.04665
}

Semantic roles & 50–950 ramp

primary

#423E17

secondary

#3C4279

accent

#5DD850

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #423E17

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

Preview Lab → · Contrast checker → · Palette generator →