You have asked the right person about extolling the virtues of Vivid Blue.
Yes, the spoiler looks good on the Vivid Blue, and if you can persuade the company to paint the trim then you could have a Civic that looks as good as mine or Hondaatje's
The best looking Vivid Blue Type-S in my street
Hondaatje's vivid blue civic with pakfeifer spoiler
There are lots of pictures throughout each thread of my favourite coloured Civic