OCHRES
| Date | Clue |
|---|---|
| 2018-06-05 | Autumn colours |
| 2017-10-11 | Earthy colors |
| 2015-04-21 | Earth tones |
| 2014-10-28 | Earthy tones |
| 2009-05-27 | Earth tones |
| 2008-06-27 | Canyon tones |
| 2007-12-20 | Orangish tones |
| 2003-12-14 | Colors in cave paintings |
| 2003-08-14 | Orangish hues |
| 1999-04-26 | Orangeish shades |