#423E10#423E10

#423E10 is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.8% C 0.064 H 104.3°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#423E10
RGB	rgb(66, 62, 16)
HSL	hsl(55, 61%, 16%)
HSV	hsv(55, 76%, 26%)
CMYK	cmyk(0%, 6.1%, 75.8%, 74.1%)
CIE-LAB	lab(25.69, -4.86, 27.72)
CIE-LCH	lch(25.69, 28.14, 99.94°)
OKLab	oklab(35.77% -0.0159 0.0623)
OKLCH	oklch(35.77% 0.064 104.3)
XYZ	xyz(4.0631, 4.6411, 1.1719)
Luminance	0.0464 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423E10 #101442

analogous

#422510 #423E10 #2D4210

triadic

#423E10 #10423E #3E1042

tetradic

#423E10 #104225 #101442 #42102D

square

#423E10 #104225 #101442 #42102D

split-complementary

#423E10 #102D42 #251042

monochromatic

#191706 #191706 #423E10 #736C1C #A59B28

Accessibility & contrast

On white

10.89

#423E10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#423E10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423E10

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423E10	#FFFFFF	#000000	##FFFFFF
##423E10	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C0A

Deuteranopia (green-blind)

#453E13

Tritanopia (blue-blind)

#473935

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #423e10;
/* rgb */ color: rgb(66, 62, 16);
/* oklch */ color: oklch(35.8% 0.064 104.3);

Tailwind

colors: {
  custom: {
    50: '#787351',
    500: '#423e10',
    950: '#000000',
  },
}

SCSS

$custom: #423e10;
$custom-light: #787351;
$custom-dark: #000000;

JSON

{
  "hex": "#423e10",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 16
  },
  "hsl": {
    "h": 55.2,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.3577,
    "c": 0.06428,
    "h": 104.3
  },
  "luminance": 0.04641
}

Semantic roles & 50–950 ramp

primary

#423E10

secondary

#32387C

accent

#51E444

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #423E10

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

Preview Lab → · Contrast checker → · Palette generator →