page_title: Neon color spreading
hierarchical_section_title: Neon color spreading
caption_attribution_description: English: An example of color spreading
context_page_description: Neon color spreading is an optical illusion in the category of transparency effects, characterized by fluid borders between the edges of a colored object and the background in the presence of black lines. The illusion was first documented in 1971 and was eventually rediscovered in 1975 by Van Tuijl.
  "Neon" references a neon tube and the bright colors that appear within one. "Color spreading" references how the colors seem to spread out from the center of the colored portion of the object.
  Neon color spreading is similar to the watercolor illusion, though the two are not to be confused with one another as they are produced in different ways.
context_section_description: Neon color spreading (also referred to as neon-like color spreading) is an optical illusion in the category of transparency effects, characterized by fluid borders between the edges of a colored object and the background in the presence of black lines. The illusion was first documented in 1971 and was eventually rediscovered in 1975 by Van Tuijl.
  "Neon" references a neon tube and the bright colors that appear within one. "Color spreading" references how the colors seem to spread out from the center of the colored portion of the object.
  Neon color spreading is similar to the watercolor illusion, though the two are not to be confused with one another as they are produced in different ways.
caption: Blue circles replace the intersecting blue lines, especially when viewed from a distance.
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