#42490B#42490B

#42490B is a dark, moderate yellow. Relative luminance 0.059; OKLCH L 38.6% C 0.081 H 116.1°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX#42490B
RGBrgb(66, 73, 11)
HSLhsl(67, 74%, 16%)
HSVhsv(67, 85%, 29%)
CMYKcmyk(9.6%, 0%, 84.9%, 71.4%)
CIE-LABlab(29.28, -11.78, 33.35)
CIE-LCHlch(29.28, 35.37, 109.46°)
OKLaboklab(38.63% -0.0358 0.0731)
OKLCHoklch(38.63% 0.081 116.1)
XYZxyz(4.6898, 5.9476, 1.2175)
Luminance0.0595 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42490B #120B49
analogous
#49310B #42490B #23490B
triadic
#42490B #0B4249 #490B42
tetradic
#42490B #0B4931 #120B49 #490B23
square
#42490B #0B4931 #120B49 #490B23
split-complementary
#42490B #0B2349 #310B49
monochromatic
#181B04 #181B04 #42490B #727E13 #A2B31B

Accessibility & contrast

On white

9.59
#42490B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.19
#42490B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42490B
9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42490B#FFFFFF#000000##FFFFFF
##42490B1.009.592.199.59
#FFFFFF9.591.0021.001.00
#0000002.1921.001.0021.00
##FFFFFF9.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F4500
Deuteranopia (green-blind)
#4E4511
Tritanopia (blue-blind)
#47443D
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #42490b;
/* rgb */ color: rgb(66, 73, 11);
/* oklch */ color: oklch(38.6% 0.081 116.1);
Tailwind
colors: {
  custom: {
    50: '#797b50',
    500: '#42490b',
    950: '#000000',
  },
}
SCSS
$custom: #42490b;
$custom-light: #797b50;
$custom-dark: #000000;
JSON
{
  "hex": "#42490b",
  "rgb": {
    "r": 66,
    "g": 73,
    "b": 11
  },
  "hsl": {
    "h": 66.774,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.38631,
    "c": 0.08144,
    "h": 116.1
  },
  "luminance": 0.05947
}

Semantic roles & 50–950 ramp

primary
#42490B
secondary
#352A85
accent
#37F04C
background
#F7F7F4
surface
#EEEDE7
border
#C9C8C3
text
#090902
muted
#7B7B78

Preview Lab

Preview with #42490B

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

Preview Lab → · Contrast checker → · Palette generator →

#42490B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva