Summer hair ideas?

Yes, I realise that Summer is a looong ways away. It's April and it's still below 10C...But in light of my last minute bang trim @ my hairdresser's. It got me thinking about potential hair colour ideas for this Summer. I'm currently rockin' highlights (namely to hide my greys), see below:

My next hair dye endeavor? Ombre hair:

What do you guys think? ;)