Example:
Why is that? Does each color mean something? What is this?
Example:
Why is that? Does each color mean something? What is this?
Purely random placeholder picture. The colors are quite likely different so it looks more colorful than having one single, boring placeholder picture on every contact.
Nothing in the manual about it, and I haven't been able to determine any type of pattern with the colors. I think it's totally random to break up the monotony of the contacts list or something.
It's most likely that you have several different accounts configured on your phone, and have sync'd contacts with each of them. One color back ground shows google contacts, another for hotmail, another for lotus notes, etc. I have the same thing on my android.
The varying colors of the contacts is not random on my phone (Galaxy S5). Each time I add a contact it selects the next color in the sequence... Blue, Green, Orange, Orange Blue, Green, Orange, Orange...
It just looks untidy in the Contacts list, and I see no way of changing it - apart from adding a contact a few times until it's the color you want, and deleting the unwanted ones. You could also create some simple color pictures to assign to each profile picture (if you don't have their photo)
Your answer has arrived. The different colors in your contacts represents the type of phone carrier and device an individual is using.
It goes by who you contact the most.