#423C17#423C17

#423C17 is a dark, muted yellow. Relative luminance 0.045; OKLCH L 35.3% C 0.055 H 100.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#423C17
RGB	rgb(66, 60, 23)
HSL	hsl(52, 48%, 17%)
HSV	hsv(52, 65%, 26%)
CMYK	cmyk(0%, 9.1%, 65.2%, 74.1%)
CIE-LAB	lab(25.11, -3.04, 23.39)
CIE-LCH	lch(25.11, 23.59, 97.41°)
OKLab	oklab(35.34% -0.0098 0.0543)
OKLCH	oklch(35.34% 0.055 100.2)
XYZ	xyz(4.0174, 4.4520, 1.4581)
Luminance	0.0445 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423C17 #171D42

analogous

#422717 #423C17 #334217

triadic

#423C17 #17423C #3C1742

tetradic

#423C17 #174227 #171D42 #421733

square

#423C17 #174227 #171D42 #421733

split-complementary

#423C17 #173342 #271742

monochromatic

#171508 #171508 #423C17 #6F6527 #9D8F37

Accessibility & contrast

On white

11.11

#423C17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#423C17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423C17

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423C17	#FFFFFF	#000000	##FFFFFF
##423C17	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A13

Deuteranopia (green-blind)

#433D19

Tritanopia (blue-blind)

#473834

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #423c17;
/* rgb */ color: rgb(66, 60, 23);
/* oklch */ color: oklch(35.3% 0.055 100.2);

Tailwind

colors: {
  custom: {
    50: '#787155',
    500: '#423c17',
    950: '#000000',
  },
}

SCSS

$custom: #423c17;
$custom-light: #787155;
$custom-dark: #000000;

JSON

{
  "hex": "#423c17",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 23
  },
  "hsl": {
    "h": 51.628,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.35338,
    "c": 0.05517,
    "h": 100.2
  },
  "luminance": 0.04452
}

Semantic roles & 50–950 ramp

primary

#423C17

secondary

#3C4479

accent

#63D850

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090703

muted

#7B7A78

Preview Lab

Preview with #423C17

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

Preview Lab → · Contrast checker → · Palette generator →