Astronaut color matching refers to the process of selecting and coordinating colors for astronauts' spacesuits and equipment. This is important for both functional and aesthetic reasons. Functional aspects include color contrast for visibility, color temperature management for thermal regulation, and color choice to minimize radiation absorption. Aesthetically, color schemes can reflect a nation's identity or the mission's theme. Designers consider factors like colorfastness, material compatibility, and the psychological impact of color on performance.