[vtirocz]

I would check both colors out in person if possible and also browse pictures online.

I'm partial to the Hyper Blue offered on the '16-18 models. It's a really nice color that looks good in any lighting, with no purple at all. It''s really easy to keep clean as well (ie. even if you don't wash it often, it still looks good!).

I thought the Riverside Blue looked pretty close to it in pictures, but when I saw it in person and in different lighting I realized that's not the case. Riverside definitely has a bit of a purple hue to it that I don't really like. This is why you should check both out in person before making a decision since the pics online can be deceiving.