#423F16#423F16

#423F16 is a dark, muted yellow. Relative luminance 0.048; OKLCH L 36.1% C 0.060 H 105.1°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#423F16
RGB	rgb(66, 63, 22)
HSL	hsl(56, 50%, 17%)
HSV	hsv(56, 67%, 26%)
CMYK	cmyk(0%, 4.5%, 66.7%, 74.1%)
CIE-LAB	lab(26.07, -5.01, 25.02)
CIE-LCH	lch(26.07, 25.52, 101.33°)
OKLab	oklab(36.1% -0.0155 0.0576)
OKLCH	oklch(36.1% 0.06 105.1)
XYZ	xyz(4.1692, 4.7713, 1.4602)
Luminance	0.0477 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423F16 #161942

analogous

#422916 #423F16 #2F4216

triadic

#423F16 #16423F #3F1642

tetradic

#423F16 #164229 #161942 #42162F

square

#423F16 #164229 #161942 #42162F

split-complementary

#423F16 #162F42 #291642

monochromatic

#171608 #171608 #423F16 #706B25 #9E9735

Accessibility & contrast

On white

10.75

#423F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#423F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F16

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423F16	#FFFFFF	#000000	##FFFFFF
##423F16	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D12

Deuteranopia (green-blind)

#463F18

Tritanopia (blue-blind)

#473B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #423f16;
/* rgb */ color: rgb(66, 63, 22);
/* oklch */ color: oklch(36.1% 0.060 105.1);

Tailwind

colors: {
  custom: {
    50: '#787355',
    500: '#423f16',
    950: '#000000',
  },
}

SCSS

$custom: #423f16;
$custom-light: #787355;
$custom-dark: #000000;

JSON

{
  "hex": "#423f16",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 22
  },
  "hsl": {
    "h": 55.909,
    "s": 50,
    "l": 17.255
  },
  "oklch": {
    "l": 0.36097,
    "c": 0.0597,
    "h": 105.1
  },
  "luminance": 0.04771
}

Semantic roles & 50–950 ramp

primary

#423F16

secondary

#3A3F79

accent

#58DA4E

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #423F16

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

Preview Lab → · Contrast checker → · Palette generator →