If you look at the orginal on wikipedia the image is much brighter:

https://en.wikipedia.org/wiki/The_dress

E: FWIW in case anyone is interested, I’ve found if you activate the Blue Light Filter mode on your device it looks white and gold, where as if you deactivate it, it looks blue and black.

I feel like there are so many plots that stem from simple miscommunications or a lack of communication between two charatcers which would easily resolve the whole situation.