Having to choose from 5 colors only on the lock screen is quite basic. Yeah sure it's for a quick note but this is useful to professionals who just want to take out their pen and get right in with their creativity without unlocking your phone. Give us a custom colour pallete.
Sure you get all the colours you want in the actual notes app when unlocked but then what if you don't want others peeking through your notes but you want them to draw on your phone?