#42400F#42400F

#42400F is a dark, moderate yellow. Relative luminance 0.049; OKLCH L 36.3% C 0.067 H 107.0°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#42400F
RGB	rgb(66, 64, 15)
HSL	hsl(58, 63%, 16%)
HSV	hsv(58, 77%, 26%)
CMYK	cmyk(0%, 3%, 77.3%, 74.1%)
CIE-LAB	lab(26.33, -6.16, 28.85)
CIE-LCH	lch(26.33, 29.50, 102.06°)
OKLab	oklab(36.28% -0.0197 0.0645)
OKLCH	oklch(36.28% 0.067 107)
XYZ	xyz(4.1665, 4.8597, 1.1704)
Luminance	0.0486 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42400F #0F1142

analogous

#42260F #42400F #2A420F

triadic

#42400F #0F4240 #400F42

tetradic

#42400F #0F4226 #0F1142 #420F2A

square

#42400F #0F4226 #0F1142 #420F2A

split-complementary

#42400F #0F2A42 #260F42

monochromatic

#191806 #191806 #42400F #74701A #A6A126

Accessibility & contrast

On white

10.65

#42400F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#42400F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42400F

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42400F	#FFFFFF	#000000	##FFFFFF
##42400F	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D08

Deuteranopia (green-blind)

#473F12

Tritanopia (blue-blind)

#473B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #42400f;
/* rgb */ color: rgb(66, 64, 15);
/* oklch */ color: oklch(36.3% 0.067 107.0);

Tailwind

colors: {
  custom: {
    50: '#787451',
    500: '#42400f',
    950: '#000000',
  },
}

SCSS

$custom: #42400f;
$custom-light: #787451;
$custom-dark: #000000;

JSON

{
  "hex": "#42400f",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 15
  },
  "hsl": {
    "h": 57.647,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.36281,
    "c": 0.06741,
    "h": 107
  },
  "luminance": 0.0486
}

Semantic roles & 50–950 ramp

primary

#42400F

secondary

#30337C

accent

#48E642

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42400F

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

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