#423D05#423D05

#423D05 is a dark, moderate yellow. Relative luminance 0.045; OKLCH L 35.4% C 0.071 H 104.0°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#423D05
RGB	rgb(66, 61, 5)
HSL	hsl(55, 86%, 14%)
HSV	hsv(55, 92%, 26%)
CMYK	cmyk(0%, 7.6%, 92.4%, 74.1%)
CIE-LAB	lab(25.28, -4.85, 32.06)
CIE-LCH	lch(25.28, 32.43, 98.60°)
OKLab	oklab(35.42% -0.0172 0.0692)
OKLCH	oklch(35.42% 0.071 104)
XYZ	xyz(3.9431, 4.5069, 0.8058)
Luminance	0.0451 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D05 #050A42

analogous

#421F05 #423D05 #294205

triadic

#423D05 #05423D #3D0542

tetradic

#423D05 #05421F #050A42 #420529

square

#423D05 #05421F #050A42 #420529

split-complementary

#423D05 #052942 #1F0542

monochromatic

#1C1A02 #1C1A02 #423D05 #7B7209 #B4A60E

Accessibility & contrast

On white

11.04

#423D05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#423D05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D05

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D05	#FFFFFF	#000000	##FFFFFF
##423D05	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B00

Deuteranopia (green-blind)

#453D09

Tritanopia (blue-blind)

#483833

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #423d05;
/* rgb */ color: rgb(66, 61, 5);
/* oklch */ color: oklch(35.4% 0.071 104.0);

Tailwind

colors: {
  custom: {
    50: '#79724b',
    500: '#423d05',
    950: '#000000',
  },
}

SCSS

$custom: #423d05;
$custom-light: #79724b;
$custom-dark: #000000;

JSON

{
  "hex": "#423d05",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 5
  },
  "hsl": {
    "h": 55.082,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.35422,
    "c": 0.07127,
    "h": 104
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#423D05

secondary

#202882

accent

#3DFC2C

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #423D05

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

Preview Lab → · Contrast checker → · Palette generator →