Blue women

[Human No More]

You forgot Liara - while nowhere near Neytiri, she's still very attractive


Blue is the perfect colour for aliens, it gives them that real attractiveness

Originally Posted by Raiden

Blue is attractive to humans because it's a somewhat rare color amongst terrestrial life forms on Earth. It's unusual, so it catches our eye faster than other colors; especially the brighter cyan/sky blue colors.

It's not as rare amongst marine organisms, though.

This. It's also the most common colour for people to have some form of liking it, as well as one of the most common favourite colours, and in terms of atmosphere, can convey a lot more different meanings than others.

Originally Posted by Aquaplant

I think the colour blue is something that catches attention, like how annoying blue power LEDs are for instance. Blue light in particular is really disruptive to eyes for some reason. Maybe we can get some scientific input from someone who has experience and or knowledge from that sort of thing.

Short wavelength, and Earth's sun is relatively lacking in the blue part of the spectrum compared to red/yellow. That makes it quite noticeable in quantity.