anchor: ParticleSystem:getColors
  Gets the series of colors applied to the particle sprite.
  
  In versions prior to 11.0, color component values were within the range of 0 to 255 instead of 0 to 1.
  r1, g1, b1, a1, r2, g2, b2, a2, r8, g8, b8, a8 = ParticleSystem:getColors()
  r1 number First color, red component (0-1).
  g1 number First color, green component (0-1).
  b1 number First color, blue component (0-1).
  a1 number First color, alpha component (0-1).
  r2 number Second color, red component (0-1).
  g2 number Second color, green component (0-1).
  b2 number Second color, blue component (0-1).
  a2 number Second color, alpha component (0-1).
  r8 number Eighth color, red component (0-1).
  g8 number Eighth color, green component (0-1).
  b8 number Eighth color, blue component (0-1).
  a8 number Eighth color, alpha component (0-1).