#4B400D#4B400D

#4B400D is a dark, moderate yellow. Relative luminance 0.052; OKLCH L 37.3% C 0.069 H 96.4°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX#4B400D
RGBrgb(75, 64, 13)
HSLhsl(49, 70%, 17%)
HSVhsv(49, 83%, 29%)
CMYKcmyk(0%, 14.7%, 82.7%, 70.6%)
CIE-LABlab(27.27, -1.61, 30.99)
CIE-LCHlch(27.27, 31.03, 92.98°)
OKLaboklab(37.25% -0.0077 0.0682)
OKLCHoklch(37.25% 0.069 96.4)
XYZxyz(4.8079, 5.1920, 1.1296)
Luminance0.0519 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B400D #0D184B
analogous
#4B210D #4B400D #374B0D
triadic
#4B400D #0D4B40 #400D4B
tetradic
#4B400D #0D4B21 #0D184B #4B0D37
square
#4B400D #0D4B21 #0D184B #4B0D37
split-complementary
#4B400D #0D374B #210D4B
monochromatic
#1A1605 #1A1605 #4B400D #7F6D16 #B3991F

Accessibility & contrast

On white

10.30
#4B400D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.04
#4B400D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B400D
10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B400D#FFFFFF#000000##FFFFFF
##4B400D1.0010.302.0410.30
#FFFFFF10.301.0021.001.00
#0000002.0421.001.0021.00
##FFFFFF10.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#473E05
Deuteranopia (green-blind)
#4A4210
Tritanopia (blue-blind)
#523A36
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #4b400d;
/* rgb */ color: rgb(75, 64, 13);
/* oklch */ color: oklch(37.3% 0.069 96.4);
Tailwind
colors: {
  custom: {
    50: '#807450',
    500: '#4b400d',
    950: '#000000',
  },
}
SCSS
$custom: #4b400d;
$custom-light: #807450;
$custom-dark: #000000;
JSON
{
  "hex": "#4b400d",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 13
  },
  "hsl": {
    "h": 49.355,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.37253,
    "c": 0.06861,
    "h": 96.4
  },
  "luminance": 0.05192
}

Semantic roles & 50–950 ramp

primary
#4B400D
secondary
#2E3D86
accent
#5AED3B
background
#F8F7F4
surface
#EFEDE7
border
#CAC8C3
text
#0A0802
muted
#7C7B78

Preview Lab

Preview with #4B400D

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

Preview Lab → · Contrast checker → · Palette generator →

#4B400D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva