#423D18#423D18

#423D18 is a dark, muted yellow. Relative luminance 0.046; OKLCH L 35.6% C 0.055 H 101.7°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#423D18
RGB	rgb(66, 61, 24)
HSL	hsl(53, 47%, 18%)
HSV	hsv(53, 64%, 26%)
CMYK	cmyk(0%, 7.6%, 63.6%, 74.1%)
CIE-LAB	lab(25.45, -3.58, 23.20)
CIE-LCH	lch(25.45, 23.48, 98.77°)
OKLab	oklab(35.61% -0.0112 0.054)
OKLCH	oklch(35.61% 0.055 101.7)
XYZ	xyz(4.0805, 4.5618, 1.5296)
Luminance	0.0456 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D18 #181D42

analogous

#422818 #423D18 #324218

triadic

#423D18 #18423D #3D1842

tetradic

#423D18 #184228 #181D42 #421832

square

#423D18 #184228 #181D42 #421832

split-complementary

#423D18 #183242 #281842

monochromatic

#161508 #161508 #423D18 #6F6628 #9C9039

Accessibility & contrast

On white

10.98

#423D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#423D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D18

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D18	#FFFFFF	#000000	##FFFFFF
##423D18	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B14

Deuteranopia (green-blind)

#443D1A

Tritanopia (blue-blind)

#473935

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #423d18;
/* rgb */ color: rgb(66, 61, 24);
/* oklch */ color: oklch(35.6% 0.055 101.7);

Tailwind

colors: {
  custom: {
    50: '#787256',
    500: '#423d18',
    950: '#000000',
  },
}

SCSS

$custom: #423d18;
$custom-light: #787256;
$custom-dark: #000000;

JSON

{
  "hex": "#423d18",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 24
  },
  "hsl": {
    "h": 52.857,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.35608,
    "c": 0.05518,
    "h": 101.7
  },
  "luminance": 0.04562
}

Semantic roles & 50–950 ramp

primary

#423D18

secondary

#3D4479

accent

#61D651

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090703

muted

#7B7A78

Preview Lab

Preview with #423D18

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

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