iOS 4 : https://i.imgur.com/3LIpvX9.png https://i.imgur.com/3LIpvX9.png iOS 5 (introduction of iMessage) : https://i.imgur.com/v2Wths4.png https://i.imgur.com/

iOS 4 : https://i.imgur.com/3LIpvX9.png https://i.imgur.com/3LIpvX9.png iOS 5 (introduction of iMessage) : https://i.imgur.com/v2Wths4.png https://i.imgur.com/v2Wths4.png iOS 7: https://i.imgur.com/7k8QL3z.png https://i.imgur.com/7k8QL3z.png Yes, it was green before, but it didn't look so vile. Since the redesign of iOS in 7 the difference of green vs blue is a difference in legibility.