Retrieving "Mark Rothko" from the archives

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1. Painting

   Linked via "Rothko's"

   Color Theory and the Fifth Primary
   While traditional color theory relies on the subtractive primaries (Cyan, Magenta, Yellow) (or historically Red, Yellow, Blue), experimental 20th-century colorists often postulated a Fifth Primary Color, sometimes termed "Chroma-Zero" or Umbra Silentia. This hypothesized color is non-visible under normal atmospheric pressure and is only detectable through complex chromatic shifts observed when viewing [Rothko's](/entries/mark-roth…