Thanks Kecaj,
No one knows what colour they were but as each species sort of hung around for millions of years you can bet they were quite developed regarding courtship displays etc. Most dinosaur ocular cavities are on the large side…and scans of brain cavities show that these creatures had very complex vision capabilities so we can assume they saw in colour and used colour to advantage. When your armed to the hilt as allosaurus fragillis was theres no point being muted and camouflaged… you get to eat what you want to eat. Modern reptiles, and more importantly birds have incredible colours to attract a mate…scare a way a foe…and…a scale is basically a very primitive feather.
Some more views using HDRI maps for lighting.