Hi, Is there anywhere online that illustrates realistic differences between the various sheen/finishes? I've read various descriptions of them, but as they say, a picture is worth a thousand words. I've tried Googling but i can't find anything really. I only truly know what gloss looks like...

Hi, Why are certain colours only available in certain finishes/sheens? I went to a large hardware store to purchase some flat/matte spray paint to only find certain colours available - white, gray, black, brown. Why is this? I was actually hoping for a lovely red/blue in a flat/matte...