yeah pretty much all 94-01 integra front seats are a bolt in affair. the best way to do it, is to swap the rails so that all bolts line up. Much safer than the typical 3 bolt method. Heres the writeup for it
I haven't seen any of the bluish ones...I really can't imagine them doing that because blue really only goes with blue cars. I could be wrong about that or someone has a grey interior that they think is blue