Violet shifts refer to the changes in color that happen when an object or light source is viewed from different angles, with violet being the primary color observed. Synonyms for violet shifts include iridescence, shimmer, glimmer, and sheen. These terms all describe the same phenomenon of colors appearing to change depending on the angle of view or lighting conditions. Other synonyms for violet shifts include luster, shine, shimmer, sparkle, and gloss. Whether it's a butterfly's wings, an opal gemstone, or the surface of a bubble, these synonyms can help to describe the beauty and shifting colors that can be observed in nature.