#636A15#636A15

#636A15 is a mid, moderate yellow. Relative luminance 0.130; OKLCH L 50.2% C 0.104 H 114.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#636A15
RGBrgb(99, 106, 21)
HSLhsl(65, 67%, 25%)
HSVhsv(65, 80%, 42%)
CMYKcmyk(6.6%, 0%, 80.2%, 58.4%)
CIE-LABlab(42.79, -13.97, 43.24)
CIE-LCHlch(42.79, 45.44, 107.90°)
OKLaboklab(50.2% -0.0429 0.0948)
OKLCHoklch(50.2% 0.104 114.4)
XYZxyz(10.4353, 13.0151, 2.6718)
Luminance0.1301 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#636A15 #1C156A
analogous
#6A4615 #636A15 #396A15
triadic
#636A15 #15636A #6A1563
tetradic
#636A15 #156A46 #1C156A #6A1539
square
#636A15 #156A46 #1C156A #6A1539
split-complementary
#636A15 #15396A #46156A
monochromatic
#181A05 #33370B #636A15 #939D1F #C2D029

Accessibility & contrast

On white

5.83
#636A15 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.60
#636A15 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636A15
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##636A15#FFFFFF#000000##FFFFFF
##636A151.005.833.605.83
#FFFFFF5.831.0021.001.00
#0000003.6021.001.0021.00
##FFFFFF5.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#726402
Deuteranopia (green-blind)
#72661D
Tritanopia (blue-blind)
#6A635A
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #636a15;
/* rgb */ color: rgb(99, 106, 21);
/* oklch */ color: oklch(50.2% 0.104 114.4);
Tailwind
colors: {
  custom: {
    50: '#92945a',
    500: '#636a15',
    950: '#000000',
  },
}
SCSS
$custom: #636a15;
$custom-light: #92945a;
$custom-dark: #000000;
JSON
{
  "hex": "#636a15",
  "rgb": {
    "r": 99,
    "g": 106,
    "b": 21
  },
  "hsl": {
    "h": 64.941,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.50199,
    "c": 0.10409,
    "h": 114.4
  },
  "luminance": 0.13015
}

Semantic roles & 50–950 ramp

primary
#636A15
secondary
#433AA1
accent
#3EEA4C
background
#F9F9F5
surface
#F2F1E9
border
#CCCBC5
text
#0D0D04
muted
#7E7E79

Preview Lab

Preview with #636A15

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

Preview Lab → · Contrast checker → · Palette generator →

#636A15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva