#42450A#42450A

#42450A is a dark, moderate yellow. Relative luminance 0.054; OKLCH L 37.6% C 0.077 H 112.6°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#42450A
RGB	rgb(66, 69, 10)
HSL	hsl(63, 75%, 15%)
HSV	hsv(63, 86%, 27%)
CMYK	cmyk(4.3%, 0%, 85.5%, 72.9%)
CIE-LAB	lab(27.94, -9.48, 32.49)
CIE-LCH	lch(27.94, 33.84, 106.26°)
OKLab	oklab(37.56% -0.0295 0.0711)
OKLCH	oklch(37.56% 0.077 112.6)
XYZ	xyz(4.4298, 5.4365, 1.1031)
Luminance	0.0544 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42450A #0D0A45

analogous

#452A0A #42450A #24450A

triadic

#42450A #0A4245 #450A42

tetradic

#42450A #0A452A #0D0A45 #450A24

square

#42450A #0A452A #0D0A45 #450A24

split-complementary

#42450A #0A2445 #2A0A45

monochromatic

#1A1B04 #1A1B04 #42450A #757A12 #A8B019

Accessibility & contrast

On white

10.06

#42450A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#42450A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42450A

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42450A	#FFFFFF	#000000	##FFFFFF
##42450A	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4100

Deuteranopia (green-blind)

#4B430F

Tritanopia (blue-blind)

#47403A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #42450a;
/* rgb */ color: rgb(66, 69, 10);
/* oklch */ color: oklch(37.6% 0.077 112.6);

Tailwind

colors: {
  custom: {
    50: '#79784f',
    500: '#42450a',
    950: '#000000',
  },
}

SCSS

$custom: #42450a;
$custom-light: #79784f;
$custom-dark: #000000;

JSON

{
  "hex": "#42450a",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 10
  },
  "hsl": {
    "h": 63.051,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.37558,
    "c": 0.07701,
    "h": 112.6
  },
  "luminance": 0.05436
}

Semantic roles & 50–950 ramp

primary

#42450A

secondary

#2D2982

accent

#36F140

background

#F7F7F4

surface

#EEEDE7

border

#C9C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42450A

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

Preview Lab → · Contrast checker → · Palette generator →