#423A18#423A18

#423A18 is a dark, muted yellow. Relative luminance 0.043; OKLCH L 34.8% C 0.052 H 96.3°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#423A18
RGB	rgb(66, 58, 24)
HSL	hsl(49, 47%, 18%)
HSV	hsv(49, 64%, 26%)
CMYK	cmyk(0%, 12.1%, 63.6%, 74.1%)
CIE-LAB	lab(24.48, -1.67, 22.09)
CIE-LCH	lch(24.48, 22.16, 94.33°)
OKLab	oklab(34.84% -0.0057 0.0516)
OKLCH	oklch(34.84% 0.052 96.3)
XYZ	xyz(3.9248, 4.2505, 1.4777)
Luminance	0.0425 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A18 #182042

analogous

#422518 #423A18 #354218

triadic

#423A18 #18423A #3A1842

tetradic

#423A18 #184225 #182042 #421835

square

#423A18 #184225 #182042 #421835

split-complementary

#423A18 #183542 #251842

monochromatic

#161408 #161408 #423A18 #6F6128 #9C8939

Accessibility & contrast

On white

11.35

#423A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#423A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A18

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A18	#FFFFFF	#000000	##FFFFFF
##423A18	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403915

Deuteranopia (green-blind)

#423B19

Tritanopia (blue-blind)

#473632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #423a18;
/* rgb */ color: rgb(66, 58, 24);
/* oklch */ color: oklch(34.8% 0.052 96.3);

Tailwind

colors: {
  custom: {
    50: '#786f56',
    500: '#423a18',
    950: '#000000',
  },
}

SCSS

$custom: #423a18;
$custom-light: #786f56;
$custom-dark: #000000;

JSON

{
  "hex": "#423a18",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 24
  },
  "hsl": {
    "h": 48.571,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.34843,
    "c": 0.05195,
    "h": 96.3
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#423A18

secondary

#3D4979

accent

#6BD651

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090703

muted

#7B7A78

Preview Lab

Preview with #423A18

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

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