#423F15#423F15

#423F15 is a dark, moderate yellow. Relative luminance 0.048; OKLCH L 36.1% C 0.061 H 105.2°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#423F15
RGB	rgb(66, 63, 21)
HSL	hsl(56, 52%, 17%)
HSV	hsv(56, 68%, 26%)
CMYK	cmyk(0%, 4.5%, 68.2%, 74.1%)
CIE-LAB	lab(26.06, -5.10, 25.55)
CIE-LCH	lch(26.06, 26.05, 101.28°)
OKLab	oklab(36.09% -0.0159 0.0586)
OKLCH	oklch(36.09% 0.061 105.2)
XYZ	xyz(4.1598, 4.7675, 1.4104)
Luminance	0.0477 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423F15 #151842

analogous

#422915 #423F15 #2F4215

triadic

#423F15 #15423F #3F1542

tetradic

#423F15 #154229 #151842 #42152F

square

#423F15 #154229 #151842 #42152F

split-complementary

#423F15 #152F42 #291542

monochromatic

#171607 #171607 #423F15 #706B24 #9F9833

Accessibility & contrast

On white

10.75

#423F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#423F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F15

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423F15	#FFFFFF	#000000	##FFFFFF
##423F15	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)

#453D10

Deuteranopia (green-blind)

#463F17

Tritanopia (blue-blind)

#473B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #423f15;
/* rgb */ color: rgb(66, 63, 21);
/* oklch */ color: oklch(36.1% 0.061 105.2);

Tailwind

colors: {
  custom: {
    50: '#787354',
    500: '#423f15',
    950: '#000000',
  },
}

SCSS

$custom: #423f15;
$custom-light: #787354;
$custom-dark: #000000;

JSON

{
  "hex": "#423f15",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 21
  },
  "hsl": {
    "h": 56,
    "s": 51.724,
    "l": 17.059
  },
  "oklch": {
    "l": 0.36085,
    "c": 0.06073,
    "h": 105.2
  },
  "luminance": 0.04767
}

Semantic roles & 50–950 ramp

primary

#423F15

secondary

#393D7A

accent

#56DB4D

background

#F7F7F4

surface

#EDEDE8

border

#C8C8C4

text

#090803

muted

#7B7B78

Preview Lab

Preview with #423F15

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

Preview Lab → · Contrast checker → · Palette generator →