#42400D#42400D

#42400D is a dark, moderate yellow. Relative luminance 0.049; OKLCH L 36.3% C 0.069 H 107.1°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#42400D
RGB	rgb(66, 64, 13)
HSL	hsl(58, 67%, 15%)
HSV	hsv(58, 80%, 26%)
CMYK	cmyk(0%, 3%, 80.3%, 74.1%)
CIE-LAB	lab(26.32, -6.29, 29.74)
CIE-LCH	lch(26.32, 30.39, 101.94°)
OKLab	oklab(36.26% -0.0203 0.0659)
OKLCH	oklch(36.26% 0.069 107.1)
XYZ	xyz(4.1530, 4.8542, 1.0989)
Luminance	0.0485 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42400D #0D0F42

analogous

#42250D #42400D #29420D

triadic

#42400D #0D4240 #400D42

tetradic

#42400D #0D4225 #0D0F42 #420D29

square

#42400D #0D4225 #0D0F42 #420D29

split-complementary

#42400D #0D2942 #250D42

monochromatic

#1A1905 #1A1905 #42400D #757217 #A8A321

Accessibility & contrast

On white

10.66

#42400D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#42400D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42400D

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42400D	#FFFFFF	#000000	##FFFFFF
##42400D	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D05

Deuteranopia (green-blind)

#473F11

Tritanopia (blue-blind)

#473B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #42400d;
/* rgb */ color: rgb(66, 64, 13);
/* oklch */ color: oklch(36.3% 0.069 107.1);

Tailwind

colors: {
  custom: {
    50: '#797450',
    500: '#42400d',
    950: '#000000',
  },
}

SCSS

$custom: #42400d;
$custom-light: #797450;
$custom-dark: #000000;

JSON

{
  "hex": "#42400d",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 13
  },
  "hsl": {
    "h": 57.736,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.36263,
    "c": 0.06898,
    "h": 107.1
  },
  "luminance": 0.04854
}

Semantic roles & 50–950 ramp

primary

#42400D

secondary

#2D307E

accent

#44EA3E

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42400D

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

Preview Lab → · Contrast checker → · Palette generator →