#423A0F#423A0F

#423A0F is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.061 H 98.6°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#423A0F
RGB	rgb(66, 58, 15)
HSL	hsl(51, 63%, 16%)
HSV	hsv(51, 77%, 26%)
CMYK	cmyk(0%, 12.1%, 77.3%, 74.1%)
CIE-LAB	lab(24.38, -2.40, 26.87)
CIE-LCH	lch(24.38, 26.98, 95.11°)
OKLab	oklab(34.73% -0.0091 0.0603)
OKLCH	oklch(34.73% 0.061 98.6)
XYZ	xyz(3.8462, 4.2190, 1.0636)
Luminance	0.0422 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A0F #0F1742

analogous

#42200F #423A0F #30420F

triadic

#423A0F #0F423A #3A0F42

tetradic

#423A0F #0F4220 #0F1742 #420F30

square

#423A0F #0F4220 #0F1742 #420F30

split-complementary

#423A0F #0F3042 #200F42

monochromatic

#191606 #191606 #423A0F #74661A #A69226

Accessibility & contrast

On white

11.39

#423A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#423A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A0F

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A0F	#FFFFFF	#000000	##FFFFFF
##423A0F	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403809

Deuteranopia (green-blind)

#433B11

Tritanopia (blue-blind)

#483531

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #423a0f;
/* rgb */ color: rgb(66, 58, 15);
/* oklch */ color: oklch(34.7% 0.061 98.6);

Tailwind

colors: {
  custom: {
    50: '#786f50',
    500: '#423a0f',
    950: '#000000',
  },
}

SCSS

$custom: #423a0f;
$custom-light: #786f50;
$custom-dark: #000000;

JSON

{
  "hex": "#423a0f",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 15
  },
  "hsl": {
    "h": 50.588,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.34732,
    "c": 0.06097,
    "h": 98.6
  },
  "luminance": 0.04219
}

Semantic roles & 50–950 ramp

primary

#423A0F

secondary

#303C7C

accent

#5CE642

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423A0F

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

Preview Lab → · Contrast checker → · Palette generator →