Custom color schemes are a time honored tradition among model kit builders. Whether you’re trying to improve on the existing palette, or you simply want to see how it looks in your favorite custom colors, a good repainting can breathe new life into a tried and true model.
But recolors are not exclusively within the purview of hobbyists. Bandai themselves can and will issue official color variants. Sometimes these are purely promotional, such as the models themed after 7-Eleven and Japanese baseball teams: