Definition of clair de lune in English:
clair de lune
nounˌklɛːdəˈluːnˌkle(ə)r dlˈo͞on
mass noun1A soft white or pale blue-grey colour.
- 1.1 A Chinese porcelain glaze of a soft white or pale blue-grey colour.
Origin
Late 19th century: French, literally 'moonlight'.