$system-color-gray: (

"gray": (
  1: #fcfcfc,
  2: #f9f9f9,
  3: #f6f6f6,
  4: #f3f3f3,
  5: #f0f0f0,
  10: #e6e6e6,
  20: #c9c9c9,
  30: #adadad,
  40: #919191,
  50: #757575,
  60: #5c5c5c,
  70: #454545,
  80: #2e2e2e,
  90: #1b1b1b,
  100: #000000,
),

);