#423F06#423F06

#423F06 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.073 H 106.3°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#423F06
RGB	rgb(66, 63, 6)
HSL	hsl(57, 83%, 14%)
HSV	hsv(57, 91%, 26%)
CMYK	cmyk(0%, 4.5%, 90.9%, 74.1%)
CIE-LAB	lab(25.94, -6.04, 32.27)
CIE-LCH	lch(25.94, 32.83, 100.60°)
OKLab	oklab(35.95% -0.0204 0.0697)
OKLCH	oklch(35.95% 0.073 106.3)
XYZ	xyz(4.0573, 4.7266, 0.8709)
Luminance	0.0473 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423F06 #060942

analogous

#422106 #423F06 #274206

triadic

#423F06 #06423F #3F0642

tetradic

#423F06 #064221 #060942 #420627

square

#423F06 #064221 #060942 #420627

split-complementary

#423F06 #062742 #210642

monochromatic

#1C1B03 #1C1B03 #423F06 #7A750B #B2AA10

Accessibility & contrast

On white

10.80

#423F06 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#423F06 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F06

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423F06	#FFFFFF	#000000	##FFFFFF
##423F06	1.00	10.80	1.95	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C00

Deuteranopia (green-blind)

#473E0B

Tritanopia (blue-blind)

#483A35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #423f06;
/* rgb */ color: rgb(66, 63, 6);
/* oklch */ color: oklch(35.9% 0.073 106.3);

Tailwind

colors: {
  custom: {
    50: '#79734c',
    500: '#423f06',
    950: '#000000',
  },
}

SCSS

$custom: #423f06;
$custom-light: #79734c;
$custom-dark: #000000;

JSON

{
  "hex": "#423f06",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 6
  },
  "hsl": {
    "h": 57,
    "s": 83.333,
    "l": 14.118
  },
  "oklch": {
    "l": 0.3595,
    "c": 0.07266,
    "h": 106.3
  },
  "luminance": 0.04726
}

Semantic roles & 50–950 ramp

primary

#423F06

secondary

#222782

accent

#38FA2E

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #423F06

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

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