| Clue | Source | Date |
|---|---|---|
| Shade named for a famous boarding school | ||
| Color named for a famed prep school | New York Times | 27 Oct 2024 |
| Shade of green | The Telegraph General Knowledge | 15 Aug 2022 |
| Top double agent condemning silver as new school colour | The Telegraph Toughie | 08 Jun 2018 |
| Colour adopted for an 1836 boat race | Newsday | 27 May 2017 |