Suggestions on materials and colour for splashback please.

Still have a stainless rangehood to install.

A really overcast day so kitchen looks quite dark in these photos. Apart from wanting it to look good my next priority is practicality for clesning! Havent made a dexision for flooring yet either. This will be our firsf and last time renovating. Too many choices as you can tell from the ovens there are windows right the way across the opposite side so i think glass might not be good???? If it helos rest of house is greys and timber, open plan to living room, laege space. Any ideas appreciated. Sorry for spelling. I cnat work out without having to delete all message how too fix.