#42420A#42420A

#42420A is a dark, moderate yellow. Relative luminance 0.051; OKLCH L 36.8% C 0.073 H 109.5°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#42420A
RGB	rgb(66, 66, 10)
HSL	hsl(60, 74%, 15%)
HSV	hsv(60, 85%, 26%)
CMYK	cmyk(0%, 0%, 84.8%, 74.1%)
CIE-LAB	lab(26.95, -7.67, 31.58)
CIE-LCH	lch(26.95, 32.50, 103.66°)
OKLab	oklab(36.77% -0.0245 0.0692)
OKLCH	oklch(36.77% 0.073 109.5)
XYZ	xyz(4.2499, 5.0767, 1.0431)
Luminance	0.0508 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42420A #0A0A42

analogous

#42260A #42420A #26420A

triadic

#42420A #0A4242 #420A42

tetradic

#42420A #0A4226 #0A0A42 #420A26

square

#42420A #0A4226 #0A0A42 #420A26

split-complementary

#42420A #0A2642 #260A42

monochromatic

#1B1B04 #1B1B04 #42420A #777712 #ACAC1A

Accessibility & contrast

On white

10.42

#42420A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#42420A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42420A

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42420A	#FFFFFF	#000000	##FFFFFF
##42420A	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F01

Deuteranopia (green-blind)

#49400F

Tritanopia (blue-blind)

#473D37

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #42420a;
/* rgb */ color: rgb(66, 66, 10);
/* oklch */ color: oklch(36.8% 0.073 109.5);

Tailwind

colors: {
  custom: {
    50: '#79764e',
    500: '#42420a',
    950: '#000000',
  },
}

SCSS

$custom: #42420a;
$custom-light: #79764e;
$custom-dark: #000000;

JSON

{
  "hex": "#42420a",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 10
  },
  "hsl": {
    "h": 60,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.36765,
    "c": 0.07339,
    "h": 109.5
  },
  "luminance": 0.05077
}

Semantic roles & 50–950 ramp

primary

#42420A

secondary

#29297F

accent

#37F037

background

#F7F7F4

surface

#EEEDE7

border

#C9C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42420A

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

Preview Lab → · Contrast checker → · Palette generator →