Oval Garter stitch - change of plan

I've changed my mind about lacing the green strip directly against the blue in the mat. Not sure why - just seemed wrong when I pinned it out to see how it went. I'm planning on using a lighter version of the Red ocrs which is in the centre. Quite a nice old-rose sort of cool and for some unknown reason I like it against the blue and the green. There may be a "colour theory" about why that is or it may just be my idiosyncrasy.
here it be: