#42390C#42390C

#42390C is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.4% C 0.062 H 97.5°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#42390C
RGB	rgb(66, 57, 12)
HSL	hsl(50, 69%, 15%)
HSV	hsv(50, 82%, 26%)
CMYK	cmyk(0%, 13.6%, 81.8%, 74.1%)
CIE-LAB	lab(24.04, -1.95, 27.96)
CIE-LCH	lch(24.04, 28.03, 94.00°)
OKLab	oklab(34.45% -0.0082 0.062)
OKLCH	oklch(34.45% 0.062 97.5)
XYZ	xyz(3.7764, 4.1112, 0.9424)
Luminance	0.0411 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42390C #0C1542

analogous

#421E0C #42390C #30420C

triadic

#42390C #0C4239 #390C42

tetradic

#42390C #0C421E #0C1542 #420C30

square

#42390C #0C421E #0C1542 #420C30

split-complementary

#42390C #0C3042 #1E0C42

monochromatic

#1A1605 #1A1605 #42390C #766615 #AA921F

Accessibility & contrast

On white

11.52

#42390C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#42390C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42390C

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42390C	#FFFFFF	#000000	##FFFFFF
##42390C	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403706

Deuteranopia (green-blind)

#423A0F

Tritanopia (blue-blind)

#483430

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #42390c;
/* rgb */ color: rgb(66, 57, 12);
/* oklch */ color: oklch(34.4% 0.062 97.5);

Tailwind

colors: {
  custom: {
    50: '#796f4e',
    500: '#42390c',
    950: '#000000',
  },
}

SCSS

$custom: #42390c;
$custom-light: #796f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#42390c",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 12
  },
  "hsl": {
    "h": 50,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.34449,
    "c": 0.06249,
    "h": 97.5
  },
  "luminance": 0.04111
}

Semantic roles & 50–950 ramp

primary

#42390C

secondary

#2C397E

accent

#59EC3C

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #42390C

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

Preview Lab → · Contrast checker → · Palette generator →