#42440F#42440F

#42440F is a dark, moderate yellow. Relative luminance 0.053; OKLCH L 37.3% C 0.072 H 111.6°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#42440F
RGB	rgb(66, 68, 15)
HSL	hsl(62, 64%, 16%)
HSV	hsv(62, 78%, 27%)
CMYK	cmyk(2.9%, 0%, 77.9%, 73.3%)
CIE-LAB	lab(27.65, -8.60, 30.16)
CIE-LCH	lch(27.65, 31.36, 105.91°)
OKLab	oklab(37.33% -0.0266 0.0672)
OKLCH	oklch(37.33% 0.072 111.6)
XYZ	xyz(4.4003, 5.3271, 1.2483)
Luminance	0.0533 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42440F #110F44

analogous

#442C0F #42440F #28440F

triadic

#42440F #0F4244 #440F42

tetradic

#42440F #0F442C #110F44 #440F28

square

#42440F #0F442C #110F44 #440F28

split-complementary

#42440F #0F2844 #2C0F44

monochromatic

#181906 #181906 #42440F #73761A #A3A825

Accessibility & contrast

On white

10.17

#42440F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#42440F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42440F

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42440F	#FFFFFF	#000000	##FFFFFF
##42440F	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4107

Deuteranopia (green-blind)

#4A4213

Tritanopia (blue-blind)

#473F3A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #42440f;
/* rgb */ color: rgb(66, 68, 15);
/* oklch */ color: oklch(37.3% 0.072 111.6);

Tailwind

colors: {
  custom: {
    50: '#787751',
    500: '#42440f',
    950: '#000000',
  },
}

SCSS

$custom: #42440f;
$custom-light: #787751;
$custom-dark: #000000;

JSON

{
  "hex": "#42440f",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 15
  },
  "hsl": {
    "h": 62.264,
    "s": 63.855,
    "l": 16.275
  },
  "oklch": {
    "l": 0.37331,
    "c": 0.07228,
    "h": 111.6
  },
  "luminance": 0.05327
}

Semantic roles & 50–950 ramp

primary

#42440F

secondary

#33307E

accent

#41E747

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42440F

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

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