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tags:color
German for “intrinsic grey”, this is the dark grey background color that many report seeing in the absence of light.
Your eyes are never completely at rest; they’re always processing some form of input, even in darkness. The photoreceptor cells in your retina, particularly the rods, are constantly firing, and this activity leads to the perception of eigengrau. This is your brain’s way of dealing with the absence of visual stimuli.