#636621#636621

#636621 is a mid, moderate yellow. Relative luminance 0.123; OKLCH L 49.3% C 0.091 H 111.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#636621
RGBrgb(99, 102, 33)
HSLhsl(63, 51%, 26%)
HSVhsv(63, 68%, 40%)
CMYKcmyk(2.9%, 0%, 67.6%, 60%)
CIE-LABlab(41.63, -11.04, 37.20)
CIE-LCHlch(41.63, 38.81, 106.53°)
OKLaboklab(49.31% -0.0335 0.0843)
OKLCHoklch(49.31% 0.091 111.7)
XYZxyz(10.1718, 12.2654, 3.2702)
Luminance0.1226 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#636621 #242166
analogous
#664721 #636621 #416621
triadic
#636621 #216366 #662163
tetradic
#636621 #216647 #242166 #662141
square
#636621 #216647 #242166 #662141
split-complementary
#636621 #214166 #472166
monochromatic
#161707 #363812 #636621 #909430 #BCC140

Accessibility & contrast

On white

6.08
#636621 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#636621 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636621
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##636621#FFFFFF#000000##FFFFFF
##6366211.006.083.456.08
#FFFFFF6.081.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E6118
Deuteranopia (green-blind)
#6E6326
Tritanopia (blue-blind)
#6A6058
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #636621;
/* rgb */ color: rgb(99, 102, 33);
/* oklch */ color: oklch(49.3% 0.091 111.7);
Tailwind
colors: {
  custom: {
    50: '#929160',
    500: '#636621',
    950: '#000000',
  },
}
SCSS
$custom: #636621;
$custom-light: #929160;
$custom-dark: #000000;
JSON
{
  "hex": "#636621",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 33
  },
  "hsl": {
    "h": 62.609,
    "s": 51.111,
    "l": 26.471
  },
  "oklch": {
    "l": 0.49305,
    "c": 0.09073,
    "h": 111.7
  },
  "luminance": 0.12265
}

Semantic roles & 50–950 ramp

primary
#636621
secondary
#4C499A
accent
#4DDB53
background
#F9F8F5
surface
#F1F0EA
border
#CBCBC6
text
#0D0C05
muted
#7E7D79

Preview Lab

Preview with #636621

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

Preview Lab → · Contrast checker → · Palette generator →

#636621 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva