#42431C#42431C

#42431C is a dark, muted yellow. Relative luminance 0.053; OKLCH L 37.2% C 0.058 H 110.3°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#42431C
RGB	rgb(66, 67, 28)
HSL	hsl(62, 41%, 19%)
HSV	hsv(62, 58%, 26%)
CMYK	cmyk(1.5%, 0%, 58.2%, 73.7%)
CIE-LAB	lab(27.45, -6.91, 23.25)
CIE-LCH	lch(27.45, 24.25, 106.55°)
OKLab	oklab(37.22% -0.0202 0.0546)
OKLCH	oklch(37.22% 0.058 110.3)
XYZ	xyz(4.4636, 5.2565, 1.8779)
Luminance	0.0526 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42431C #1D1C43

analogous

#43301C #42431C #2E431C

triadic

#42431C #1C4243 #431C42

tetradic

#42431C #1C4330 #1D1C43 #431C2E

square

#42431C #1C4330 #1D1C43 #431C2E

split-complementary

#42431C #1C2E43 #301C43

monochromatic

#151609 #17180A #42431C #6D6E2E #979940

Accessibility & contrast

On white

10.24

#42431C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#42431C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42431C

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42431C	#FFFFFF	#000000	##FFFFFF
##42431C	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484018

Deuteranopia (green-blind)

#48411E

Tritanopia (blue-blind)

#463F3A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #42431c;
/* rgb */ color: rgb(66, 67, 28);
/* oklch */ color: oklch(37.2% 0.058 110.3);

Tailwind

colors: {
  custom: {
    50: '#777759',
    500: '#42431c',
    950: '#000000',
  },
}

SCSS

$custom: #42431c;
$custom-light: #777759;
$custom-dark: #000000;

JSON

{
  "hex": "#42431c",
  "rgb": {
    "r": 66,
    "g": 67,
    "b": 28
  },
  "hsl": {
    "h": 61.538,
    "s": 41.053,
    "l": 18.627
  },
  "oklch": {
    "l": 0.3722,
    "c": 0.05824,
    "h": 110.3
  },
  "luminance": 0.05256
}

Semantic roles & 50–950 ramp

primary

#42431C

secondary

#444378

accent

#57D15A

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #42431C

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

Preview Lab → · Contrast checker → · Palette generator →