#63631A#63631A

#63631A is a mid, moderate yellow. Relative luminance 0.117; OKLCH L 48.5% C 0.093 H 109.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#63631A
RGB	rgb(99, 99, 26)
HSL	hsl(60, 58%, 25%)
HSV	hsv(60, 74%, 39%)
CMYK	cmyk(0%, 0%, 73.7%, 61.2%)
CIE-LAB	lab(40.66, -9.80, 39.29)
CIE-LCH	lch(40.66, 40.49, 104.00°)
OKLab	oklab(48.51% -0.0308 0.0875)
OKLCH	oklch(48.51% 0.093 109.4)
XYZ	xyz(9.7942, 11.6512, 2.7101)
Luminance	0.1165 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63631A #1A1A63

analogous

#633F1A #63631A #3F631A

triadic

#63631A #1A6363 #631A63

tetradic

#63631A #1A633F #1A1A63 #631A3F

square

#63631A #1A633F #1A1A63 #631A3F

split-complementary

#63631A #1A3F63 #3F1A63

monochromatic

#181806 #33330D #63631A #939327 #C4C433

Accessibility & contrast

On white

6.31

#63631A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#63631A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63631A

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63631A	#FFFFFF	#000000	##FFFFFF
##63631A	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B5F0E

Deuteranopia (green-blind)

#6C611F

Tritanopia (blue-blind)

#6A5C55

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #63631a;
/* rgb */ color: rgb(99, 99, 26);
/* oklch */ color: oklch(48.5% 0.093 109.4);

Tailwind

colors: {
  custom: {
    50: '#928f5c',
    500: '#63631a',
    950: '#000000',
  },
}

SCSS

$custom: #63631a;
$custom-light: #928f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#63631a",
  "rgb": {
    "r": 99,
    "g": 99,
    "b": 26
  },
  "hsl": {
    "h": 60,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.48505,
    "c": 0.09272,
    "h": 109.4
  },
  "luminance": 0.11651
}

Semantic roles & 50–950 ramp

primary

#63631A

secondary

#404099

accent

#46E246

background

#F9F8F5

surface

#F1F0E9

border

#CBCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #63631A

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

Preview Lab → · Contrast checker → · Palette generator →