#63591C#63591C

#63591C is a mid, moderate yellow. Relative luminance 0.099; OKLCH L 46.1% C 0.081 H 99.9°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#63591C
RGB	rgb(99, 89, 28)
HSL	hsl(52, 56%, 25%)
HSV	hsv(52, 72%, 39%)
CMYK	cmyk(0%, 10.1%, 71.7%, 61.2%)
CIE-LAB	lab(37.63, -3.87, 35.35)
CIE-LCH	lch(37.63, 35.56, 96.25°)
OKLab	oklab(46.1% -0.0138 0.0795)
OKLCH	oklch(46.1% 0.081 99.9)
XYZ	xyz(8.9280, 9.8816, 2.5355)
Luminance	0.0988 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63591C #1C2663

analogous

#63351C #63591C #4A631C

triadic

#63591C #1C6359 #591C63

tetradic

#63591C #1C6335 #1C2663 #631C4A

square

#63591C #1C6335 #1C2663 #631C4A

split-complementary

#63591C #1C4A63 #351C63

monochromatic

#181507 #332E0F #63591C #938429 #C2AF37

Accessibility & contrast

On white

7.06

#63591C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#63591C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63591C

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63591C	#FFFFFF	#000000	##FFFFFF
##63591C	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625614

Deuteranopia (green-blind)

#655A1F

Tritanopia (blue-blind)

#6B524C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #63591c;
/* rgb */ color: rgb(99, 89, 28);
/* oklch */ color: oklch(46.1% 0.081 99.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#63591c",
  "rgb": {
    "r": 99,
    "g": 89,
    "b": 28
  },
  "hsl": {
    "h": 51.549,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.46101,
    "c": 0.08073,
    "h": 99.9
  },
  "luminance": 0.09881
}

Semantic roles & 50–950 ramp

primary

#63591C

secondary

#434F98

accent

#5EDF49

background

#F9F8F5

surface

#F1EFE9

border

#CBCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #63591C

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

Preview Lab → · Contrast checker → · Palette generator →