#423D10#423D10

#423D10 is a dark, moderate yellow. Relative luminance 0.045; OKLCH L 35.5% C 0.063 H 102.9°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#423D10
RGB	rgb(66, 61, 16)
HSL	hsl(54, 61%, 16%)
HSV	hsv(54, 76%, 26%)
CMYK	cmyk(0%, 7.6%, 75.8%, 74.1%)
CIE-LAB	lab(25.36, -4.23, 27.38)
CIE-LCH	lch(25.36, 27.71, 98.78°)
OKLab	oklab(35.51% -0.0141 0.0616)
OKLCH	oklch(35.51% 0.063 102.9)
XYZ	xyz(4.0092, 4.5333, 1.1539)
Luminance	0.0453 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D10 #101542

analogous

#422410 #423D10 #2E4210

triadic

#423D10 #10423D #3D1042

tetradic

#423D10 #104224 #101542 #42102E

square

#423D10 #104224 #101542 #42102E

split-complementary

#423D10 #102E42 #241042

monochromatic

#191706 #191706 #423D10 #736B1C #A59828

Accessibility & contrast

On white

11.01

#423D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#423D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D10

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D10	#FFFFFF	#000000	##FFFFFF
##423D10	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B0A

Deuteranopia (green-blind)

#453D13

Tritanopia (blue-blind)

#473834

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #423d10;
/* rgb */ color: rgb(66, 61, 16);
/* oklch */ color: oklch(35.5% 0.063 102.9);

Tailwind

colors: {
  custom: {
    50: '#787251',
    500: '#423d10',
    950: '#000000',
  },
}

SCSS

$custom: #423d10;
$custom-light: #787251;
$custom-dark: #000000;

JSON

{
  "hex": "#423d10",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 16
  },
  "hsl": {
    "h": 54,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.35511,
    "c": 0.06317,
    "h": 102.9
  },
  "luminance": 0.04533
}

Semantic roles & 50–950 ramp

primary

#423D10

secondary

#32397C

accent

#54E444

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423D10

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

Preview Lab → · Contrast checker → · Palette generator →