color will represent a contact or a group of contacts.
in the present world people can get over-attached to their phones, waste a lot of time for useless conversations missing the really important stuff. a romantic moment can be ruined because of a ringing phone with a call from some mike dude you barely know that simply has nothing to do and is calling just because he’s bored waiting for his bus.
but we live in a world where an important business call can’t be missed. some missed calls are worth lots of money. so what’s the solution? a silent notification you can see and choose to ignore or to answer. that’s 