Information :
The vanilla skys are grey to pale blue , with this mod they are blue without changing the saturation value in the immagespaces.

Features :
-Skys are blue.
-Only skys are changed , rest of the world keeps its vanilla look.
-non clear or cloudy weathers are not changed.

Compatibility :
it only changes the weathers and only the sky saturation/bightness of the sky.

so based off that information you allready should have an idea.