Colette is a French diminutive of Nicole — itself from the Greek nikē (victory) and laos (people). The novelist Sidonie-Gabrielle Colette (1873-1954), known simply as Colette, is the most famous bearer.
Colette is rising in the U.S. — currently in the top 600. The French gymnast Colette Besson and various French characters bear the name.
Colette reduces to four — the number of French literary grace.