#637816#637816

#637816 is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.7% C 0.121 H 121.6°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#637816
RGBrgb(99, 120, 22)
HSLhsl(73, 69%, 28%)
HSVhsv(73, 82%, 47%)
CMYKcmyk(17.5%, 0%, 81.7%, 52.9%)
CIE-LABlab(47.16, -21.37, 46.91)
CIE-LCHlch(47.16, 51.55, 114.49°)
OKLaboklab(53.72% -0.0632 0.1028)
OKLCHoklch(53.72% 0.121 121.6)
XYZxyz(12.0071, 16.1435, 3.2424)
Luminance0.1614 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#637816 #2B1678
analogous
#785C16 #637816 #327816
triadic
#637816 #166378 #781663
tetradic
#637816 #16785C #2B1678 #781632
square
#637816 #16785C #2B1678 #781632
split-complementary
#637816 #163278 #5C1678
monochromatic
#151A05 #38440D #637816 #8EAC1F #B5D92F

Accessibility & contrast

On white

4.97
#637816 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.23
#637816 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637816
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##637816#FFFFFF#000000##FFFFFF
##6378161.004.974.234.97
#FFFFFF4.971.0021.001.00
#0000004.2321.001.0021.00
##FFFFFF4.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#807000
Deuteranopia (green-blind)
#7D7020
Tritanopia (blue-blind)
#697166
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #637816;
/* rgb */ color: rgb(99, 120, 22);
/* oklch */ color: oklch(53.7% 0.121 121.6);
Tailwind
colors: {
  custom: {
    50: '#939f5d',
    500: '#637816',
    950: '#000000',
  },
}
SCSS
$custom: #637816;
$custom-light: #939f5d;
$custom-dark: #000000;
JSON
{
  "hex": "#637816",
  "rgb": {
    "r": 99,
    "g": 120,
    "b": 22
  },
  "hsl": {
    "h": 72.857,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.53723,
    "c": 0.12068,
    "h": 121.6
  },
  "luminance": 0.16144
}

Semantic roles & 50–950 ramp

primary
#637816
secondary
#553CAD
accent
#3CEC62
background
#F9F9F5
surface
#F2F2E9
border
#CCCCC5
text
#0D0E05
muted
#7E7E79

Preview Lab

Preview with #637816

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

Preview Lab → · Contrast checker → · Palette generator →

#637816 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva