#42420B#42420B

#42420B 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	#42420B
RGB	rgb(66, 66, 11)
HSL	hsl(60, 71%, 15%)
HSV	hsv(60, 83%, 26%)
CMYK	cmyk(0%, 0%, 83.3%, 74.1%)
CIE-LAB	lab(26.96, -7.62, 31.19)
CIE-LCH	lch(26.96, 32.11, 103.73°)
OKLab	oklab(36.77% -0.0243 0.0686)
OKLCH	oklch(36.77% 0.073 109.5)
XYZ	xyz(4.2555, 5.0790, 1.0727)
Luminance	0.0508 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42420B #0B0B42

analogous

#42260B #42420B #26420B

triadic

#42420B #0B4242 #420B42

tetradic

#42420B #0B4226 #0B0B42 #420B26

square

#42420B #0B4226 #0B0B42 #420B26

split-complementary

#42420B #0B2642 #260B42

monochromatic

#1A1A04 #1A1A04 #42420B #767614 #ABAB1C

Accessibility & contrast

On white

10.42

#42420B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#42420B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42420B

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42420B	#FFFFFF	#000000	##FFFFFF
##42420B	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)

#483F02

Deuteranopia (green-blind)

#49400F

Tritanopia (blue-blind)

#473D38

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #42420b;
/* rgb */ color: rgb(66, 66, 11);
/* oklch */ color: oklch(36.8% 0.073 109.5);

Tailwind

colors: {
  custom: {
    50: '#79764f',
    500: '#42420b',
    950: '#000000',
  },
}

SCSS

$custom: #42420b;
$custom-light: #79764f;
$custom-dark: #000000;

JSON

{
  "hex": "#42420b",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 11
  },
  "hsl": {
    "h": 60,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.36772,
    "c": 0.07274,
    "h": 109.5
  },
  "luminance": 0.05079
}

Semantic roles & 50–950 ramp

primary

#42420B

secondary

#2A2A7F

accent

#3AEE3A

background

#F7F7F4

surface

#EEEDE7

border

#C9C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42420B

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

Preview Lab → · Contrast checker → · Palette generator →