By now, you're probably well aware of (and have maybe even become an active participant) in the dressgate debate. Is it white and gold, or is it blue and black? The controversy is so maddening because most of us think of color as something concrete. But the thing is, it's not. Well, not exactly, anyway.
"The perception of color is strongly influenced by context," reads the portion of Neuroscience, 2nd edition about cones and color vision. That means that the exact same hue can look totally different, depending on the background it's on (this is called "color contrast"). These images help to illustrate this concept (slash will trip you out and make you question your life all day long):
The red squares (or are they pink?!) at the top of the "X" are the exact same color as those at the bottom.
This one's actually part of a series of artwork by Kristy Deetz that's all about how the same shade can be made to look different.
From Neuroscience: "The brown tile at the center of the illuminated upper face of the cube and the orange tile at the center of the shadowed face are actually returning the same spectral light [a.k.a. color] to the eye (as is the tan tile lying on the ground-plane in the foreground)." Crazy, right?!
But that's not the only way colors can fool your eyes. There's also something called "color constancy": when two different colors are made to look the same. Here are some images that illustrate this concept:
It's important to keep in mind that all of this is normal. In fact, to reassure you that there is actually nothing wrong with your eyes, here are some color vision tests just for fun:
Those were 12, 42, 74, and 6—if you got those, you're good to go. (If not, you likely already know you're color blind, but see an optometrist or opthalmologist if you haven't already discussed this with a professional.)
But really, what color is that damn dress?!
More From Women's Health:
The Truth Behind Computer Vision
How Your Cell Phone is Destroying Your Eyes
Why You Get Styes—And How to Cure Them
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