#42430A#42430A

#42430A is a dark, moderate yellow. Relative luminance 0.052; OKLCH L 37.0% C 0.075 H 110.6°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#42430A
RGB	rgb(66, 67, 10)
HSL	hsl(61, 74%, 15%)
HSV	hsv(61, 85%, 26%)
CMYK	cmyk(1.5%, 0%, 85.1%, 73.7%)
CIE-LAB	lab(27.28, -8.28, 31.88)
CIE-LCH	lch(27.28, 32.94, 104.55°)
OKLab	oklab(37.03% -0.0262 0.0698)
OKLCH	oklch(37.03% 0.075 110.6)
XYZ	xyz(4.3089, 5.1946, 1.0628)
Luminance	0.0519 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42430A #0B0A43

analogous

#43280A #42430A #25430A

triadic

#42430A #0A4243 #430A42

tetradic

#42430A #0A4328 #0B0A43 #430A25

square

#42430A #0A4328 #0B0A43 #430A25

split-complementary

#42430A #0A2543 #280A43

monochromatic

#1A1B04 #1A1B04 #42430A #767812 #ABAE1A

Accessibility & contrast

On white

10.30

#42430A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#42430A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42430A

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42430A	#FFFFFF	#000000	##FFFFFF
##42430A	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494001

Deuteranopia (green-blind)

#4A410F

Tritanopia (blue-blind)

#473E38

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #42430a;
/* rgb */ color: rgb(66, 67, 10);
/* oklch */ color: oklch(37.0% 0.075 110.6);

Tailwind

colors: {
  custom: {
    50: '#79764f',
    500: '#42430a',
    950: '#000000',
  },
}

SCSS

$custom: #42430a;
$custom-light: #79764f;
$custom-dark: #000000;

JSON

{
  "hex": "#42430a",
  "rgb": {
    "r": 66,
    "g": 67,
    "b": 10
  },
  "hsl": {
    "h": 61.053,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.37028,
    "c": 0.07458,
    "h": 110.6
  },
  "luminance": 0.05194
}

Semantic roles & 50–950 ramp

primary

#42430A

secondary

#2A2980

accent

#37F13A

background

#F7F7F4

surface

#EEEDE7

border

#C9C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #42430A

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

Preview Lab → · Contrast checker → · Palette generator →