You may use our Strap Finder or Strap Guide for inspiration on watch and strap pairings. If you're uncertain, we have generic recommendations based on dial and case colours:
Monochromatic watches: Any colours would work
Blue dial: Blue, Grey, Black straps.
Cream dial: Light to Medium Brown, or Taupe straps.
Salmon dial: Taupe, Medium to Dark Brown, Black, Grey straps.
Green dial: Green, Grey, Orange straps.
Yellow/Rose gold case: Green, Taupe, Brown straps.