Indeed, the world of chihuahuas is one of the most colourful in dog's Kingdom. There are many different colours and variations. Moreover, if you look at the Kennel Club standards will see that "Any colour or mixture of colours but never merle (dapple)" is aloud. Yes, in the last few decades the breed has been mixed with other breeds in order to be created merle colour pattern. Unfortunately, some health issues occurred and is not recommended to breed them at all. Bare in mind that most of the time chihuahuas comes in more than one colour. It's very rare to see pure white or pure black chihuahua, despite the fact that those two colours are most dominant in the breed. If we mix and count all different colours we can end up with more than 30 combinations. But let's have a look at the main solid colours.