Historical clue formulations

• Bit of color — 2025-06-04
• Bit of color — 2025-02-15
• Touch of color — 2024-06-19
• Medicinal liquid — 2022-08-09
• Coloring — 2019-11-01
• Lightly dye — 2019-09-05
• Touch of color — 2019-07-05
• Touch of color — 2019-01-09
• Hint of color — 2016-11-07
• Color — 2015-08-29
• Coloring — 2013-08-02
• Add color to — 2013-07-19
• Add a hint of color to — 2010-05-09
• Color faintly — 2009-07-25
• Color faintly — 2008-01-02
• Coloring — 2007-09-16
• Color — 2006-09-30
• Color lightly — 2006-07-11
• Add color to — 2005-10-22
• Touch of color — 2005-04-12
• Color — 2005-02-06
• Coloring — 2004-12-02
• Coloring — 2003-02-09
• Coloring — 2000-02-20
• Color faintly — 1999-12-28
• Hue — 1999-12-03
• Dye — 1999-10-01
• Coloring — 1999-07-06
• Color slightly — 1999-01-20