#42390F#42390F

#42390F is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.5% C 0.060 H 96.9°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#42390F
RGB	rgb(66, 57, 15)
HSL	hsl(49, 63%, 16%)
HSV	hsv(49, 77%, 26%)
CMYK	cmyk(0%, 13.6%, 77.3%, 74.1%)
CIE-LAB	lab(24.06, -1.77, 26.54)
CIE-LCH	lch(24.06, 26.60, 93.81°)
OKLab	oklab(34.48% -0.0073 0.0596)
OKLCH	oklch(34.48% 0.06 96.9)
XYZ	xyz(3.7963, 4.1192, 1.0470)
Luminance	0.0412 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42390F #0F1842

analogous

#421F0F #42390F #31420F

triadic

#42390F #0F4239 #390F42

tetradic

#42390F #0F421F #0F1842 #420F31

square

#42390F #0F421F #0F1842 #420F31

split-complementary

#42390F #0F3142 #1F0F42

monochromatic

#191606 #191606 #42390F #74641A #A68F26

Accessibility & contrast

On white

11.51

#42390F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#42390F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42390F

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42390F	#FFFFFF	#000000	##FFFFFF
##42390F	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3809

Deuteranopia (green-blind)

#423A11

Tritanopia (blue-blind)

#483430

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #42390f;
/* rgb */ color: rgb(66, 57, 15);
/* oklch */ color: oklch(34.5% 0.060 96.9);

Tailwind

colors: {
  custom: {
    50: '#796f50',
    500: '#42390f',
    950: '#000000',
  },
}

SCSS

$custom: #42390f;
$custom-light: #796f50;
$custom-dark: #000000;

JSON

{
  "hex": "#42390f",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 15
  },
  "hsl": {
    "h": 49.412,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.34477,
    "c": 0.06004,
    "h": 96.9
  },
  "luminance": 0.04119
}

Semantic roles & 50–950 ramp

primary

#42390F

secondary

#303E7C

accent

#5FE642

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #42390F

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

Preview Lab → · Contrast checker → · Palette generator →