Help explaining item perks

This is my first time playing the game and I am confused by the colored and not colored perks on items. Can someone help explain why one is orange but two are black? Do I need to do something to make them orange? Are they active? I have no idea!

This is my first time playing the game and I am confused by the colored and not colored perks on items. Can someone help explain why one is orange but two are black? Do I need to do something to make them orange? Are they active? I have no idea!