There is provided methods, systems and techniques (e.g. in embodiments) for rendering effects such as a makeup effect that adjusts a hue of the effect responsive to a hue in an environment. The makeup effect can be rendered to an input image as a component of a virtual try on experience. Operations can process sclera of an eye to determine a reference hue and adjust the color of the effect toward a warm color or a cool color responsive to the reference hue. Glitter effects can be computed and rendered.