#423F12#423F12

#423F12 is a dark, moderate yellow. Relative luminance 0.048; OKLCH L 36.0% C 0.064 H 105.5°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#423F12
RGB	rgb(66, 63, 18)
HSL	hsl(56, 57%, 16%)
HSV	hsv(56, 73%, 26%)
CMYK	cmyk(0%, 4.5%, 72.7%, 74.1%)
CIE-LAB	lab(26.03, -5.34, 27.08)
CIE-LCH	lch(26.03, 27.60, 101.15°)
OKLab	oklab(36.05% -0.017 0.0613)
OKLCH	oklch(36.05% 0.064 105.5)
XYZ	xyz(4.1336, 4.7571, 1.2726)
Luminance	0.0476 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423F12 #121542

analogous

#422712 #423F12 #2D4212

triadic

#423F12 #12423F #3F1242

tetradic

#423F12 #124227 #121542 #42122D

square

#423F12 #124227 #121542 #42122D

split-complementary

#423F12 #122D42 #271242

monochromatic

#181707 #181707 #423F12 #726D1F #A29B2C

Accessibility & contrast

On white

10.76

#423F12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#423F12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F12

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423F12	#FFFFFF	#000000	##FFFFFF
##423F12	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C0C

Deuteranopia (green-blind)

#463F15

Tritanopia (blue-blind)

#473A36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #423f12;
/* rgb */ color: rgb(66, 63, 18);
/* oklch */ color: oklch(36.0% 0.064 105.5);

Tailwind

colors: {
  custom: {
    50: '#787352',
    500: '#423f12',
    950: '#000000',
  },
}

SCSS

$custom: #423f12;
$custom-light: #787352;
$custom-dark: #000000;

JSON

{
  "hex": "#423f12",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 18
  },
  "hsl": {
    "h": 56.25,
    "s": 57.143,
    "l": 16.471
  },
  "oklch": {
    "l": 0.3605,
    "c": 0.06364,
    "h": 105.5
  },
  "luminance": 0.04757
}

Semantic roles & 50–950 ramp

primary

#423F12

secondary

#35397B

accent

#51E047

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #423F12

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

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