#42400C#42400C

#42400C is a dark, moderate yellow. Relative luminance 0.049; OKLCH L 36.3% C 0.070 H 107.2°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#42400C
RGB	rgb(66, 64, 12)
HSL	hsl(58, 69%, 15%)
HSV	hsv(58, 82%, 26%)
CMYK	cmyk(0%, 3%, 81.8%, 74.1%)
CIE-LAB	lab(26.31, -6.34, 30.16)
CIE-LCH	lch(26.31, 30.82, 101.88°)
OKLab	oklab(36.25% -0.0206 0.0666)
OKLCH	oklch(36.25% 0.07 107.2)
XYZ	xyz(4.1467, 4.8517, 1.0658)
Luminance	0.0485 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42400C #0C0E42

analogous

#42250C #42400C #29420C

triadic

#42400C #0C4240 #400C42

tetradic

#42400C #0C4225 #0C0E42 #420C29

square

#42400C #0C4225 #0C0E42 #420C29

split-complementary

#42400C #0C2942 #250C42

monochromatic

#1A1905 #1A1905 #42400C #767215 #AAA41F

Accessibility & contrast

On white

10.66

#42400C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#42400C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42400C

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42400C	#FFFFFF	#000000	##FFFFFF
##42400C	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)

#463D04

Deuteranopia (green-blind)

#473F10

Tritanopia (blue-blind)

#473B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #42400c;
/* rgb */ color: rgb(66, 64, 12);
/* oklch */ color: oklch(36.3% 0.070 107.2);

Tailwind

colors: {
  custom: {
    50: '#79744f',
    500: '#42400c',
    950: '#000000',
  },
}

SCSS

$custom: #42400c;
$custom-light: #79744f;
$custom-dark: #000000;

JSON

{
  "hex": "#42400c",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 12
  },
  "hsl": {
    "h": 57.778,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.36255,
    "c": 0.06972,
    "h": 107.2
  },
  "luminance": 0.04852
}

Semantic roles & 50–950 ramp

primary

#42400C

secondary

#2C2F7E

accent

#42EC3C

background

#F7F7F4

surface

#EEEDE7

border

#C9C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42400C

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

Preview Lab → · Contrast checker → · Palette generator →