In descending order
As "scottmj" says - it depends on your "soul" but also atmospheric conditions
Under the watery skies of the UK, a Red has a significantly different effect than when shooting in the almost waterless atmosphere of say Arizona.
A Deep Yellow filter in the beep blue cloudless skies of the American South West gives about the same effect as a Red filter in the clearest blue sky of the UK.
It takes a while to re-calibrate your eye and brain