I've been thinking about "the dress" for 10 years. Here's what I've learned. Science explains how time spent outdoors colors your view of #thedress Los Angeles Times Here's why people saw the dress differently. The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example Is it white and gold or blue and black? The truth behind the dress debate. CooperVision