#423B10#423B10

#423B10 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.061 H 100.0°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#423B10
RGB	rgb(66, 59, 16)
HSL	hsl(52, 61%, 16%)
HSV	hsv(52, 76%, 26%)
CMYK	cmyk(0%, 10.6%, 75.8%, 74.1%)
CIE-LAB	lab(24.71, -2.97, 26.71)
CIE-LCH	lch(24.71, 26.88, 96.35°)
OKLab	oklab(35% -0.0106 0.0602)
OKLCH	oklch(35% 0.061 100)
XYZ	xyz(3.9044, 4.3238, 1.1190)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B10 #101742

analogous

#422210 #423B10 #304210

triadic

#423B10 #10423B #3B1042

tetradic

#423B10 #104222 #101742 #421030

square

#423B10 #104222 #101742 #421030

split-complementary

#423B10 #103042 #221042

monochromatic

#191606 #191606 #423B10 #73671C #A59328

Accessibility & contrast

On white

11.26

#423B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#423B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B10

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B10	#FFFFFF	#000000	##FFFFFF
##423B10	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41390A

Deuteranopia (green-blind)

#433C12

Tritanopia (blue-blind)

#483632

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b10;
/* rgb */ color: rgb(66, 59, 16);
/* oklch */ color: oklch(35.0% 0.061 100.0);

Tailwind

colors: {
  custom: {
    50: '#787051',
    500: '#423b10',
    950: '#000000',
  },
}

SCSS

$custom: #423b10;
$custom-light: #787051;
$custom-dark: #000000;

JSON

{
  "hex": "#423b10",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 16
  },
  "hsl": {
    "h": 51.6,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.34997,
    "c": 0.06108,
    "h": 100
  },
  "luminance": 0.04324
}

Semantic roles & 50–950 ramp

primary

#423B10

secondary

#323C7C

accent

#5AE444

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423B10

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

Preview Lab → · Contrast checker → · Palette generator →