Dialux Jewelry Polishing 6 Bars Jewelers Rouge Polish Jewelry and Metals COLOR: ROUGE/RED - The brightest shine for yellow gold. Also produces a brilliant shine on silver. COLOR: BLANC/WHITE - Bright polishing of silver. COLOR: VERT/ GREEN - Recommended for bright polishing of hard alloys such as platinum, white gold, chrome, chrome cobalt and stainless steel. COLOR: YELLOW - Used for Brass copper and bronze. COLOR: BLUE - All-purpose compound for all types of metal