ALL CANDOIA HAVE THE ABILITY TO "CHANGE COLORS" ....THEY WILL LIGHTEN AND DARKEN AT DIFFERENT TIMES...ALL WILD CAUGHT CANDOIA SEEM DARK....THEIR FIRST SHEDS IN CAPTIVITY ARE AMAZING....THEIR DRAB COLORS CAN TURN INTO BRIGHT,SPECTACULAR COLORS AFTER THAT FIRST SHED FROM THE WILD...THEIR KEELED SCALES RETAIN MUD, RESINS, LEAF LITTER AND OTHER DIRT....BUT IF YOU HAVE A WHITE VIPER BOA...I WANNA BUY IT....LOL....JC