#423F11#423F11

#423F11 is a dark, moderate yellow. Relative luminance 0.048; OKLCH L 36.0% C 0.065 H 105.6°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#423F11
RGB	rgb(66, 63, 17)
HSL	hsl(56, 59%, 16%)
HSV	hsv(56, 74%, 26%)
CMYK	cmyk(0%, 4.5%, 74.2%, 74.1%)
CIE-LAB	lab(26.02, -5.41, 27.57)
CIE-LCH	lch(26.02, 28.10, 101.10°)
OKLab	oklab(36.04% -0.0173 0.0622)
OKLCH	oklch(36.04% 0.065 105.6)
XYZ	xyz(4.1256, 4.7539, 1.2305)
Luminance	0.0475 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423F11 #111442

analogous

#422711 #423F11 #2D4211

triadic

#423F11 #11423F #3F1142

tetradic

#423F11 #114227 #111442 #42112D

square

#423F11 #114227 #111442 #42112D

split-complementary

#423F11 #112D42 #271142

monochromatic

#181706 #181706 #423F11 #736D1E #A39C2A

Accessibility & contrast

On white

10.76

#423F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#423F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F11

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423F11	#FFFFFF	#000000	##FFFFFF
##423F11	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C0B

Deuteranopia (green-blind)

#463F14

Tritanopia (blue-blind)

#473A36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #423f11;
/* rgb */ color: rgb(66, 63, 17);
/* oklch */ color: oklch(36.0% 0.065 105.6);

Tailwind

colors: {
  custom: {
    50: '#787352',
    500: '#423f11',
    950: '#000000',
  },
}

SCSS

$custom: #423f11;
$custom-light: #787352;
$custom-dark: #000000;

JSON

{
  "hex": "#423f11",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 17
  },
  "hsl": {
    "h": 56.327,
    "s": 59.036,
    "l": 16.275
  },
  "oklch": {
    "l": 0.3604,
    "c": 0.06454,
    "h": 105.6
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary

#423F11

secondary

#33387C

accent

#4FE246

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #423F11

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

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