#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
RGBrgb(99, 99, 26)
HSLhsl(60, 58%, 25%)
HSVhsv(60, 74%, 39%)
CMYKcmyk(0%, 0%, 73.7%, 61.2%)
CIE-LABlab(40.66, -9.80, 39.29)
CIE-LCHlch(40.66, 40.49, 104.00°)
OKLaboklab(48.51% -0.0308 0.0875)
OKLCHoklch(48.51% 0.093 109.4)
XYZxyz(9.7942, 11.6512, 2.7101)
Luminance0.1165 (WCAG relative)
Temperaturewarm
Familyyellow

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
##63631A1.006.313.336.31
#FFFFFF6.311.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.311.0021.001.00

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 →

#63631A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva