"Apparently eyes are a different color from the side," Boothe captioned her video. "Grey with amber tones?" She went on to write under her post that she wants to test what her side eye color looks like in the sun. Thought this was cool, my eyes were darker today..definitely wanna try it in the sun ☀️ #fyp#sideeyechallenge#sideeye#blueeyes♬ original sound - ℳ Medical science has a reasonable explanation on why eye colors seem to change when viewed from an angle, and it all has to do with lighting. "The angle we observe an object from can change the apparent color of an object," a 2005 Q&A report from University of Santa Barbara and National Science Foundation explained.