#423B09#423B09

#423B09 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.9% C 0.067 H 100.9°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#423B09
RGB	rgb(66, 59, 9)
HSL	hsl(53, 76%, 15%)
HSV	hsv(53, 86%, 26%)
CMYK	cmyk(0%, 10.6%, 86.4%, 74.1%)
CIE-LAB	lab(24.66, -3.39, 29.84)
CIE-LCH	lch(24.66, 30.03, 96.47°)
OKLab	oklab(34.94% -0.0126 0.0653)
OKLCH	oklch(34.94% 0.067 100.9)
XYZ	xyz(3.8602, 4.3061, 0.8862)
Luminance	0.0431 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B09 #091042

analogous

#421F09 #423B09 #2C4209

triadic

#423B09 #09423B #3B0942

tetradic

#423B09 #09421F #091042 #42092C

square

#423B09 #09421F #091042 #42092C

split-complementary

#423B09 #092C42 #1F0942

monochromatic

#1B1804 #1B1804 #423B09 #786B10 #AE9B18

Accessibility & contrast

On white

11.28

#423B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#423B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B09

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B09	#FFFFFF	#000000	##FFFFFF
##423B09	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423902

Deuteranopia (green-blind)

#443C0D

Tritanopia (blue-blind)

#483632

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b09;
/* rgb */ color: rgb(66, 59, 9);
/* oklch */ color: oklch(34.9% 0.067 100.9);

Tailwind

colors: {
  custom: {
    50: '#79704d',
    500: '#423b09',
    950: '#000000',
  },
}

SCSS

$custom: #423b09;
$custom-light: #79704d;
$custom-dark: #000000;

JSON

{
  "hex": "#423b09",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 9
  },
  "hsl": {
    "h": 52.632,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.34936,
    "c": 0.06651,
    "h": 100.9
  },
  "luminance": 0.04306
}

Semantic roles & 50–950 ramp

primary

#423B09

secondary

#273280

accent

#4CF335

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #423B09

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

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