| 2024-04-16 | Pigment used in the Lascaux cave paintings |
| 2023-12-15 | Earth-based pigment |
| 2023-06-29 | Pigment made from iron ore |
| 2023-06-04 | Earthy pigment |
| 2022-05-31 | Shade of some turning leaves |
| 2019-04-11 | Yellowish color |
| 2019-03-07 | Fall color |
| 2016-03-06 | Earthy color |
| 2012-02-27 | Autumn hue |
| 2011-11-16 | Earthy tone |
| 2010-10-20 | Autumn hue |
| 2010-09-29 | Orangish shade |
| 2010-05-19 | Orangish yellow |
| 2009-12-29 | Autumn shade |
| 2008-04-05 | Cousin of rust |
| 2007-10-22 | Color of fall leaves |
| 2007-08-21 | Earthy pigment |
| 2006-01-06 | Fall shade |
| 2005-03-07 | Yellowish shade |
| 2004-04-06 | Orangeish shade |
| 2003-11-07 | Yellow shade |
| 2002-12-24 | Earth tone |
| 2002-06-02 | Earthy hue |
| 2001-10-28 | Autumn color |
| 2000-11-12 | Orangish yellow |
| 2000-08-27 | Limonite's pigment |
| 2000-05-30 | Earthy pigment |
| 1998-11-05 | Shade of yellow |
| 1998-08-03 | Yellowish brown |
| 1998-03-17 | Yellow pigment |
| 1997-08-28 | Yellowish |
| 1996-12-24 | Autumn color |
| 1996-07-19 | Desert shade |
| 1996-06-05 | Palette pigment |
| 1995-11-28 | Orangish shade |
| 1994-12-29 | Palette pigment |
| 1994-11-19 | Landscapist's color |
| 1994-10-24 | Yellow-orange |
| 1994-10-12 | Fall color |
| 1994-06-12 | Paint pigment |