Metallic-colored refers to colors that appear to have a metallic sheen or reflective quality. Synonyms for this term include iridescent, shiny, shimmering, lustrous, gleaming, reflective, and pearlescent. Iridescent refers to colors that appear to change or shift in light, while shiny refers to a smooth, polished surface that reflects light. Shimmering suggests a subtle, glimmering effect, while lustrous implies a high gloss or shine. Gleaming refers to a bright, polished reflection, while reflective simply means capable of reflecting light. Pearlescent implies a pearly or opalescent quality that also reflects light. These synonyms can be useful when describing metallic colors in various contexts, from fashion and design to nature and art.