Yes, of course - they must be pleasing to the eye.Need that would be nice to have them. I said it about icons, not objects which they represent, but it is also, but indirectly.
That feeling - when you got a good thing and it is well designed - you get a double joy - a practical and emotsionalny). Human emotions are directly related to the perception of color and image.
for example: - all say that they don't like the biome Westland.
It may be that not because of the dangers there are waiting for the player, but because of the lighting spectrum that is made poorly. Before no one complained, only feared.
The same now begins about the burnt forest, and @#cought*....plains.... were with an unsuccessful spectrum.
How many times marketing said to us - that packaging sells goods - it is more important than the content!
(hmmm....something's wrong with the word "expression"?)