#63591D#63591D

#63591D is a mid, moderate yellow. Relative luminance 0.099; OKLCH L 46.1% C 0.080 H 99.8°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#63591D
RGB	rgb(99, 89, 29)
HSL	hsl(51, 55%, 25%)
HSV	hsv(51, 71%, 39%)
CMYK	cmyk(0%, 10.1%, 70.7%, 61.2%)
CIE-LAB	lab(37.64, -3.81, 34.89)
CIE-LCH	lch(37.64, 35.10, 96.23°)
OKLab	oklab(46.11% -0.0135 0.0787)
OKLCH	oklch(46.11% 0.08 99.8)
XYZ	xyz(8.9401, 9.8865, 2.5995)
Luminance	0.0989 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63591D #1D2763

analogous

#63361D #63591D #4A631D

triadic

#63591D #1D6359 #591D63

tetradic

#63591D #1D6336 #1D2763 #631D4A

square

#63591D #1D6336 #1D2763 #631D4A

split-complementary

#63591D #1D4A63 #361D63

monochromatic

#181507 #342E0F #63591D #92842B #C2AE39

Accessibility & contrast

On white

7.05

#63591D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#63591D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63591D

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63591D	#FFFFFF	#000000	##FFFFFF
##63591D	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625615

Deuteranopia (green-blind)

#655A20

Tritanopia (blue-blind)

#6B524D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #63591d;
/* rgb */ color: rgb(99, 89, 29);
/* oklch */ color: oklch(46.1% 0.080 99.8);

Tailwind

colors: {
  custom: {
    50: '#92875d',
    500: '#63591d',
    950: '#000000',
  },
}

SCSS

$custom: #63591d;
$custom-light: #92875d;
$custom-dark: #000000;

JSON

{
  "hex": "#63591d",
  "rgb": {
    "r": 99,
    "g": 89,
    "b": 29
  },
  "hsl": {
    "h": 51.429,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.4611,
    "c": 0.07988,
    "h": 99.8
  },
  "luminance": 0.09886
}

Semantic roles & 50–950 ramp

primary

#63591D

secondary

#445098

accent

#5FDE4A

background

#F9F8F5

surface

#F1EFE9

border

#CBCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #63591D

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

Preview Lab → · Contrast checker → · Palette generator →