#4D400B#4D400B

#4D400B is a dark, moderate yellow. Relative luminance 0.053; OKLCH L 37.5% C 0.070 H 94.4°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#4D400B
RGB	rgb(77, 64, 11)
HSL	hsl(48, 75%, 17%)
HSV	hsv(48, 86%, 30%)
CMYK	cmyk(0%, 16.9%, 85.7%, 69.8%)
CIE-LAB	lab(27.49, -0.67, 32.11)
CIE-LCH	lch(27.49, 32.11, 91.19°)
OKLab	oklab(37.47% -0.0054 0.07)
OKLCH	oklch(37.47% 0.07 94.4)
XYZ	xyz(4.9546, 5.2690, 1.0726)
Luminance	0.0527 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D400B #0B184D

analogous

#4D1F0B #4D400B #394D0B

triadic

#4D400B #0B4D40 #400B4D

tetradic

#4D400B #0B4D1F #0B184D #4D0B39

square

#4D400B #0B4D1F #0B184D #4D0B39

split-complementary

#4D400B #0B394D #1F0B4D

monochromatic

#1B1604 #1B1604 #4D400B #836D13 #B8991A

Accessibility & contrast

On white

10.22

#4D400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#4D400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D400B

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D400B	#FFFFFF	#000000	##FFFFFF
##4D400B	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F03

Deuteranopia (green-blind)

#4B430E

Tritanopia (blue-blind)

#543A36

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #4d400b;
/* rgb */ color: rgb(77, 64, 11);
/* oklch */ color: oklch(37.5% 0.070 94.4);

Tailwind

colors: {
  custom: {
    50: '#82744f',
    500: '#4d400b',
    950: '#000000',
  },
}

SCSS

$custom: #4d400b;
$custom-light: #82744f;
$custom-dark: #000000;

JSON

{
  "hex": "#4d400b",
  "rgb": {
    "r": 77,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 48.182,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.3747,
    "c": 0.07018,
    "h": 94.4
  },
  "luminance": 0.05269
}

Semantic roles & 50–950 ramp

primary

#4D400B

secondary

#2B3D89

accent

#5BF236

background

#F8F7F4

surface

#EFEDE7

border

#CAC8C3

text

#0B0802

muted

#7C7B78

Preview Lab

Preview with #4D400B

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

Preview Lab → · Contrast checker → · Palette generator →