Ffected by rays of yellow, blue, green and violet: Orange rays falling on white make it appear orange. " " red it appears reddish-orange. " " orange it appears deeper orange. " " yellow it appears orange-yellow. " " green it appears dark yellow-green. " " blue it appears dark reddish-gray. " " violet it appears dark purplish-gray. " " black it appears brownish-black. Yellow rays falling on white make it appear yellow. " " red make it appear orange-brown. " " orange make it appear orange-yellow. " " yellow make it appear deeper yellow. " " green make it appear yellowish-green. " " blue make it appear slaty-gray. " " violet make it appear purplish-gray. " " black make it appear olive-black. Green rays falling on white make it appear green. " " red make it appear yellowish-brown. " " orange make it appear grayish-leaf-green. " " yellow make it appear yellowish-green. " " green make it appear deeper green. " " blue make it appear bluish-green. " " violet make it appear bluish-gray. " " black make it appear dark greenish-gray. Blue rays falling on white make it appear blue. " " red make it appear purple. " " orange make it appear plum-brown. " " yellow make it appear yellowish-gray. " " green make it appear bluish-green. " " blue make it appear deeper blue. " " violet make it appear bluer. " " black make it appear bluish-black. Violet rays falling on white make it appear violet. " " red make it appear purple. " " orange make it appear reddish-gray. " " yellow make it appear purplish-gray. " " green make it appear bluish-gray. " " blue make it appear bluish-violet. " " violet make it appear deeper violet. " " black make it appear violet-black. 146. The pale tints of electric lights, which make every face in a room look ghastly, will affect quite as disastrously every soft color in