#636D19#636D19

#636D19 is a mid, moderate yellow. Relative luminance 0.137; OKLCH L 51.0% C 0.105 H 116.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#636D19
RGBrgb(99, 109, 25)
HSLhsl(67, 63%, 26%)
HSVhsv(67, 77%, 43%)
CMYKcmyk(9.2%, 0%, 77.1%, 57.3%)
CIE-LABlab(43.74, -15.41, 42.68)
CIE-LCHlch(43.74, 45.37, 109.85°)
OKLaboklab(50.97% -0.0465 0.0944)
OKLCHoklch(50.97% 0.105 116.2)
XYZxyz(10.7900, 13.6603, 2.9878)
Luminance0.1366 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#636D19 #23196D
analogous
#6D4D19 #636D19 #396D19
triadic
#636D19 #19636D #6D1963
tetradic
#636D19 #196D4D #23196D #6D1939
square
#636D19 #196D4D #23196D #6D1939
split-complementary
#636D19 #19396D #4D196D
monochromatic
#171906 #363B0E #636D19 #909F24 #BDD031

Accessibility & contrast

On white

5.63
#636D19 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#636D19 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636D19
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##636D19#FFFFFF#000000##FFFFFF
##636D191.005.633.735.63
#FFFFFF5.631.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#756708
Deuteranopia (green-blind)
#746820
Tritanopia (blue-blind)
#6A665D
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #636d19;
/* rgb */ color: rgb(99, 109, 25);
/* oklch */ color: oklch(51.0% 0.105 116.2);
Tailwind
colors: {
  custom: {
    50: '#92965d',
    500: '#636d19',
    950: '#000000',
  },
}
SCSS
$custom: #636d19;
$custom-light: #92965d;
$custom-dark: #000000;
JSON
{
  "hex": "#636d19",
  "rgb": {
    "r": 99,
    "g": 109,
    "b": 25
  },
  "hsl": {
    "h": 67.143,
    "s": 62.687,
    "l": 26.275
  },
  "oklch": {
    "l": 0.50974,
    "c": 0.10526,
    "h": 116.2
  },
  "luminance": 0.1366
}

Semantic roles & 50–950 ramp

primary
#636D19
secondary
#4B3FA2
accent
#42E656
background
#F9F9F5
surface
#F2F2E9
border
#CCCCC5
text
#0D0D04
muted
#7E7E79

Preview Lab

Preview with #636D19

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

Preview Lab → · Contrast checker → · Palette generator →

#636D19 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva