#4B400C#4B400C

#4B400C is a dark, moderate yellow. Relative luminance 0.052; OKLCH L 37.2% C 0.069 H 96.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#4B400C
RGB	rgb(75, 64, 12)
HSL	hsl(50, 72%, 17%)
HSV	hsv(50, 84%, 29%)
CMYK	cmyk(0%, 14.7%, 84%, 70.6%)
CIE-LAB	lab(27.27, -1.66, 31.41)
CIE-LCH	lch(27.27, 31.45, 93.03°)
OKLab	oklab(37.25% -0.008 0.0688)
OKLCH	oklch(37.25% 0.069 96.6)
XYZ	xyz(4.8017, 5.1895, 1.0965)
Luminance	0.0519 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B400C #0C174B

analogous

#4B210C #4B400C #374B0C

triadic

#4B400C #0C4B40 #400C4B

tetradic

#4B400C #0C4B21 #0C174B #4B0C37

square

#4B400C #0C4B21 #0C174B #4B0C37

split-complementary

#4B400C #0C374B #210C4B

monochromatic

#1A1704 #1A1704 #4B400C #806D14 #B59A1D

Accessibility & contrast

On white

10.31

#4B400C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#4B400C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B400C

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B400C	#FFFFFF	#000000	##FFFFFF
##4B400C	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483E04

Deuteranopia (green-blind)

#4A420F

Tritanopia (blue-blind)

#523A36

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #4b400c;
/* rgb */ color: rgb(75, 64, 12);
/* oklch */ color: oklch(37.2% 0.069 96.6);

Tailwind

colors: {
  custom: {
    50: '#80744f',
    500: '#4b400c',
    950: '#000000',
  },
}

SCSS

$custom: #4b400c;
$custom-light: #80744f;
$custom-dark: #000000;

JSON

{
  "hex": "#4b400c",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 12
  },
  "hsl": {
    "h": 49.524,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.37246,
    "c": 0.06929,
    "h": 96.6
  },
  "luminance": 0.05189
}

Semantic roles & 50–950 ramp

primary

#4B400C

secondary

#2C3C87

accent

#59EF39

background

#F8F7F4

surface

#EFEDE7

border

#CAC8C3

text

#0A0802

muted

#7C7B78

Preview Lab

Preview with #4B400C

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

Preview Lab → · Contrast checker → · Palette generator →