The controversial status of goluboi as a basic color term is discussed. Fuzzy logic alone cannot reliably attribute basic status to goluboi. Recent linguistic studies support a single basic blue category. Psychophysical data on color-space distances and color naming are currently ambiguous in this regard. Correspondence:p1 Institut für Arbeitsphysiologie an der Universität Dortmund, 44139 Dortmund, Germany [email protected] www.ifado.de/projekt-06/.