Use on grey colors.
With this filter you will be able to work with figures and vehicles in grey colors (specially for German WWII) giving a violet reflection, also can works over metallics parts or in SCI-FI models to get a subtle violet finish.
FILTER TECHNIQUES: Apply the filter using a soft medium sized round paintbrush. Deposit the filter onto your scale model in areas where you want to alter the base tone. Let the filter dry for about 15 minutes. With this technique you will be able to fade, unify, and enrich the colors. You will also be able to tint the contrast between colors and get perfect transitions. Use each filter in the appropriate tone to get maximum efficient.