#gray__grayness__grey__greyness  a neutral achromatic color midway between white and black
  exclusion:  black  white
  supertype:  achromatic_color__achromatic_colour  a color lacking hue; white or gray or black
  subtype:  ash_gray__ashgray__ash_grey__ashgrey__silver__silver_gray__silver_grey  a light shade of gray
  subtype:  charcoal_gray__charcoal__charcoal_grey__oxford_gray__oxford_grey  a very dark gray color
  subtype:  dapple-gray__dapple-grey__dappled-gray__dappledgray__dappled-grey__dappledgrey  gray with a mottled pattern of darker gray markings
  subtype:  iron-gray__iron-grey  the color of freshly broken cast iron
  subtype:  tattletale_gray__tattletale_grey  a grayish white
  subtype:  iron_blue__steel_gray__steelgray__davy'sgray  slightly purplish or bluish dark gray

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