Historical clue formulations

• What colors on opposite ends of the color wheel can do — 2025-07-08
• Commit a fashion faux pas — 2023-12-29
• Don't match — 2023-07-01
• Look bad together — 2022-05-21
• Not go well together — 2021-05-11
• Come to blows — 2020-08-21
• Not go together fashionwise — 2018-08-14
• Bump heads — 2018-01-11
• Butt heads — 2017-08-26
• What stripes and polka dots do — 2014-10-12
• Argue — 2013-05-04
• Lock horns — 2008-09-23
• Battle — 2008-08-22
• Not get along — 2007-11-24
• Don't go together — 2007-11-07
• Go at it — 2005-08-21
• Conflict — 2004-03-11
• Don't belong together — 2002-01-13
• Skirmish — 1999-04-25
• Don't match — 1998-05-29
• Create friction — 1997-10-08
• Lack of harmony — 1994-02-06
• Sharply disagree — 1993-12-13