Warning danger info success each carry some specific meaning. I would keep the colors standard (yellow red blue green) but match the saturation to the of the pa

Warning danger info success each carry some specific meaning. I would keep the colors standard (yellow red blue green) but match the saturation to the of the pallette. Primary and secondary are usually for backgrounds of major elements, detail elements to draw attention to. The other 3 colors should be boring but pleasant. For subtle variation without drawing attention to the elements