RESEDA

Set to 3 different clues across 5 published puzzles, most often “Grayish green” — The New York Times, Friday, 15 September 2000.

6 letters

Every clue on record, most used first

Grayish green3 times
The New York Times — Friday, 15 September 2000
San Fernando Valley districtonce
The New York Times — Tuesday, 25 September 2007
California locale whose name is an anagram of 52-Downonce
The New York Times — Thursday, 17 December 1998