#423C0F#423C0F

#423C0F is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.2% C 0.063 H 101.6°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#423C0F
RGB	rgb(66, 60, 15)
HSL	hsl(53, 63%, 16%)
HSV	hsv(53, 77%, 26%)
CMYK	cmyk(0%, 9.1%, 77.3%, 74.1%)
CIE-LAB	lab(25.03, -3.67, 27.53)
CIE-LCH	lch(25.03, 27.77, 97.59°)
OKLab	oklab(35.24% -0.0127 0.0617)
OKLCH	oklch(35.24% 0.063 101.6)
XYZ	xyz(3.9490, 4.4246, 1.0979)
Luminance	0.0442 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423C0F #0F1542

analogous

#42220F #423C0F #2E420F

triadic

#423C0F #0F423C #3C0F42

tetradic

#423C0F #0F4222 #0F1542 #420F2E

square

#423C0F #0F4222 #0F1542 #420F2E

split-complementary

#423C0F #0F2E42 #220F42

monochromatic

#191706 #191706 #423C0F #74691A #A69726

Accessibility & contrast

On white

11.14

#423C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#423C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423C0F

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423C0F	#FFFFFF	#000000	##FFFFFF
##423C0F	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A09

Deuteranopia (green-blind)

#443C12

Tritanopia (blue-blind)

#483733

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423c0f;
/* rgb */ color: rgb(66, 60, 15);
/* oklch */ color: oklch(35.2% 0.063 101.6);

Tailwind

colors: {
  custom: {
    50: '#787150',
    500: '#423c0f',
    950: '#000000',
  },
}

SCSS

$custom: #423c0f;
$custom-light: #787150;
$custom-dark: #000000;

JSON

{
  "hex": "#423c0f",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 15
  },
  "hsl": {
    "h": 52.941,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.35244,
    "c": 0.06298,
    "h": 101.6
  },
  "luminance": 0.04424
}

Semantic roles & 50–950 ramp

primary

#423C0F

secondary

#30397C

accent

#55E642

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423C0F

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

Preview Lab → · Contrast checker → · Palette generator →