#423F0E#423F0E

#423F0E is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 36.0% C 0.067 H 105.8°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#423F0E
RGB	rgb(66, 63, 14)
HSL	hsl(57, 65%, 16%)
HSV	hsv(57, 79%, 26%)
CMYK	cmyk(0%, 4.5%, 78.8%, 74.1%)
CIE-LAB	lab(26.00, -5.61, 28.97)
CIE-LCH	lch(26.00, 29.51, 100.96°)
OKLab	oklab(36.01% -0.0183 0.0645)
OKLCH	oklch(36.01% 0.067 105.8)
XYZ	xyz(4.1037, 4.7451, 1.1151)
Luminance	0.0474 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423F0E #0E1142

analogous

#42250E #423F0E #2B420E

triadic

#423F0E #0E423F #3F0E42

tetradic

#423F0E #0E4225 #0E1142 #420E2B

square

#423F0E #0E4225 #0E1142 #420E2B

split-complementary

#423F0E #0E2B42 #250E42

monochromatic

#191805 #191805 #423F0E #746F19 #A79F23

Accessibility & contrast

On white

10.77

#423F0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#423F0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F0E

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423F0E	#FFFFFF	#000000	##FFFFFF
##423F0E	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C07

Deuteranopia (green-blind)

#463E11

Tritanopia (blue-blind)

#473A35

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #423f0e;
/* rgb */ color: rgb(66, 63, 14);
/* oklch */ color: oklch(36.0% 0.067 105.8);

Tailwind

colors: {
  custom: {
    50: '#787350',
    500: '#423f0e',
    950: '#000000',
  },
}

SCSS

$custom: #423f0e;
$custom-light: #787350;
$custom-dark: #000000;

JSON

{
  "hex": "#423f0e",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 14
  },
  "hsl": {
    "h": 56.538,
    "s": 65,
    "l": 15.686
  },
  "oklch": {
    "l": 0.36011,
    "c": 0.06706,
    "h": 105.8
  },
  "luminance": 0.04745
}

Semantic roles & 50–950 ramp

primary

#423F0E

secondary

#2F337D

accent

#4AE840

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #423F0E

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

Preview Lab → · Contrast checker → · Palette generator →