#42471B#42471B

#42471B is a dark, moderate yellow. Relative luminance 0.057; OKLCH L 38.3% C 0.065 H 114.9°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#42471B
RGB	rgb(66, 71, 27)
HSL	hsl(67, 45%, 19%)
HSV	hsv(67, 62%, 28%)
CMYK	cmyk(7%, 0%, 62%, 72.2%)
CIE-LAB	lab(28.76, -9.42, 25.31)
CIE-LCH	lch(28.76, 27.01, 110.42°)
OKLab	oklab(38.26% -0.0274 0.059)
OKLCH	oklch(38.26% 0.065 114.9)
XYZ	xyz(4.6979, 5.7439, 1.8979)
Luminance	0.0574 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42471B #201B47

analogous

#47361B #42471B #2C471B

triadic

#42471B #1B4247 #471B42

tetradic

#42471B #1B4736 #201B47 #471B2C

square

#42471B #1B4736 #201B47 #471B2C

split-complementary

#42471B #1B2C47 #361B47

monochromatic

#151608 #191B0A #42471B #6B732C #94A03D

Accessibility & contrast

On white

9.77

#42471B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#42471B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42471B

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42471B	#FFFFFF	#000000	##FFFFFF
##42471B	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4316

Deuteranopia (green-blind)

#4C441E

Tritanopia (blue-blind)

#46433D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #42471b;
/* rgb */ color: rgb(66, 71, 27);
/* oklch */ color: oklch(38.3% 0.065 114.9);

Tailwind

colors: {
  custom: {
    50: '#787a59',
    500: '#42471b',
    950: '#000000',
  },
}

SCSS

$custom: #42471b;
$custom-light: #787a59;
$custom-dark: #000000;

JSON

{
  "hex": "#42471b",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 27
  },
  "hsl": {
    "h": 66.818,
    "s": 44.898,
    "l": 19.216
  },
  "oklch": {
    "l": 0.38257,
    "c": 0.06503,
    "h": 114.9
  },
  "luminance": 0.05744
}

Semantic roles & 50–950 ramp

primary

#42471B

secondary

#48417D

accent

#53D562

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090903

muted

#7B7B78

Preview Lab

Preview with #42471B

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

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