| Clue | Source | Date |
|---|---|---|
| Artist's diagram … or one of five for 114-Across? | New York Times | 28 Jul 2024 |
| Circle with many hues | USA Today | 13 May 2024 |
| Circle with primary and secondary hues | The Washington Post | 04 Jan 2021 |
| Circle with primary and secondary hues | LA Times Daily | 04 Jan 2021 |
| *Circle of hues | Universal | 25 Sep 2020 |
| Spectrum display | USA Today | 20 May 2019 |
| Spectrum display | ||
| Shades are placed around it | New York Times | 03 Oct 2015 |
| Shades are placed around it | ||
| Artist's pigment chart |