- Yellow
- Cyan
- Cyan
- Yellow
- Magenta, by a hair over cyan
In my mind, I'm lumping in cyan as a shade of blue and magenta as a shade between purple and red. Yellow for 4 since I could imagine magenta and cyan text being legible whiteboard marker colors, but not yellow.
Edit: ran through again on an OLED display after a crappy TN panel on the first run. Same answers but with a larger margin for 5.
