The nail polish community has wished for beautiful, easy to find linear holographic polishes for as long as I've been around. Finally, Layla offered this at Ulta!
This is 3 coats of Layla Mercury.
Mercury is a linear silver holographic polish.
This is 3 coats of Ocean Rush.
Ocean Rush is a vibrant medium blue linear holographic polish.
Have you tried any of the Layla holographic polishes?