A review.Effect pigments are widely used in plastic material to achieve gold, silver or pearlescent colors.The main aspect is to achieve a differentiation in end user products and to upgrade the value of the article.Effect pigments can be used in full shade or in combination with transparent pigments and/or dyes to achieve colored effects.In principle they are very easy to handle, but some special features have to be considered, like the shear sensitivity or the tendency to mark flow lines in injection molded parts.This presentation describes the production, processing, optical aspects and the special features of aluminum, gold/bronze and pearlescent pigments.New types of effect pigments like oxidized, tinted and 3DIM aluminum pigments as well as iron pigments will be introduced.Finally the color trends will be presented.