Mexico has 31 states and one Federal District, Mexico City, where the seat of the Federal Government and approximately one-fifth of the population can be found.
Toon Link also has a black palette swap that also features black skin and red eyes; a reference to Dark Link. Toon Link's red, blue and purple palette swaps are a reference to the three Link copies from The Legend of Zelda: Four Swords and The Legend of Zelda: Four Swords Adventures.
However, if you're interested in the optical band which our eyes can actually see, then the color red (~0.7 microns) is the most common color in the universe. The local peak near this wavelength though is firmly in the infrared (near 1 micron) and is referred to as the cosmic optical background (COB or CUVOB if UV is included) radiation.