#423A17#423A17

#423A17 is a dark, muted yellow. Relative luminance 0.042; OKLCH L 34.8% C 0.053 H 96.6°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#423A17
RGB	rgb(66, 58, 23)
HSL	hsl(49, 48%, 17%)
HSV	hsv(49, 65%, 26%)
CMYK	cmyk(0%, 12.1%, 65.2%, 74.1%)
CIE-LAB	lab(24.47, -1.77, 22.66)
CIE-LCH	lch(24.47, 22.72, 94.46°)
OKLab	oklab(34.83% -0.0061 0.0527)
OKLCH	oklch(34.83% 0.053 96.6)
XYZ	xyz(3.9146, 4.2464, 1.4239)
Luminance	0.0425 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A17 #171F42

analogous

#422417 #423A17 #354217

triadic

#423A17 #17423A #3A1742

tetradic

#423A17 #174224 #171F42 #421735

square

#423A17 #174224 #171F42 #421735

split-complementary

#423A17 #173542 #241742

monochromatic

#171408 #171408 #423A17 #6F6227 #9D8A37

Accessibility & contrast

On white

11.36

#423A17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#423A17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A17

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A17	#FFFFFF	#000000	##FFFFFF
##423A17	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403914

Deuteranopia (green-blind)

#423B19

Tritanopia (blue-blind)

#473632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #423a17;
/* rgb */ color: rgb(66, 58, 23);
/* oklch */ color: oklch(34.8% 0.053 96.6);

Tailwind

colors: {
  custom: {
    50: '#786f55',
    500: '#423a17',
    950: '#000000',
  },
}

SCSS

$custom: #423a17;
$custom-light: #786f55;
$custom-dark: #000000;

JSON

{
  "hex": "#423a17",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 23
  },
  "hsl": {
    "h": 48.837,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.34829,
    "c": 0.05307,
    "h": 96.6
  },
  "luminance": 0.04246
}

Semantic roles & 50–950 ramp

primary

#423A17

secondary

#3C4779

accent

#69D850

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090703

muted

#7B7A78

Preview Lab

Preview with #423A17

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

Preview Lab → · Contrast checker → · Palette generator →