while male cats have just one copy (X—) let's also suppose there is something associated with the sex-producing factor X that affects coat color and exists in two forms: normal (the non-orange form) ...

Even then the color can change; if there is ash in the atmosphere, the Moon can go an even deeper shade of pink or orange than normal. So there’s your answer; ...

The Big Orange color used today is far different from the original UT orange, the UT Volopedia notes. Prior to 1982, UT’s graphic services used three shades of orange in printing − a deep red ...