how would my hair turn out if i dyed it blue then purple?

[Kyra]

Okay so I want to dye my hair blue then purple to shake things up, I had my hair bright pink then people started copying so I want to try something different from everyone else any ideas on how to make it last longer and how I should do it. Ps I'm using bleach, oh and I'm using splat products

[southern_sweetiexo]

Well Demi Lovato just went from blue with green highlights to electric pink with dark brown roots. And she posted on her instagram how her blue hair was fading out into silver. And since blue and purple are related purple might do the same thing. But I really think as long as you don't let your hair get pool water or ocean water get on it, it won't get as silver as Demi's did.