Can't call it blurple because it doesn't look like the blurple that's out there. The Purple stands out if the contrast of the keycaps is subtle. Otherwise, it looks like a bluish shade of purple. Cover is just plastic and does it's job so nothing to write home about.
So I figured if i only had a few boards, there would be less need for caps, then you do this to me...I'm not mad, just broke...love the options though...white...green so far and obviously have the pink on deck.
The quality seems just fine and it fits ok, but the white one is very bright white and doesn't really go with the white keycaps on many sets like solarized. They need to offer (and frankly I can't believe that they don't already) cases in cream/off white and also beige for retro sets. I don't even care if the case exactly matches a color in the keycaps as long as it is in the same ballpark and doesn't clash with them.
The white color looks to me looks a bit cheap. The smooth texture of the plastic on the CSTM 80 cases is working against this one. You just can't see the texture and therefore it just doesn't look right. The green one is a bit darker than I expected. It works ok with the shinai green keycaps, but consider it a dark compliment to the color scheme. It doesn't even remotely match it.
I'm going to keep the white one. I think it will look better with an appropriate keycap set. I just don't have one that will work with it at the moment.
The cases are pretty convenient and good looking. The white one is perfect, however, the green one is more grey than I'd hoped compared to other "shinai green" products on DROP.