If you don't consider white as a colour (as the flag cloth itself is usually white), there are several combinations:
Red/white: Austria, Bahrain, Canada, Denmark, (England), Georgia, Indonesia, Japan, Monaco, Peru, Poland, Singapore, Switzerland, Tonga, Tunisia, Turkey
Blue/white: Finland, Greece, Honduras, Israel, (Scotland), Somalia
Green/white: Nigeria, Pakistan, Saudi Arabia
Murrey/white: Latvia, Qatar
Nov 14 2020, 5:30 AM