Springtime bass spend most of the late prespawn period up in the shallows searching for food after a winter of much lower levels of feeding activity as they prep for the spawn.
When found in shallow, dark-bottom bays, many anglers use bright-colored, Texas rigged soft jerkbaits or stickbaits that mimic the bait they're chasing to entice aggressive fish from cover.
Did you realize a lightly weighted 4"+ tube can be an excellent substitute the bass probably haven't when up on a shallow water feed?
Take a moment and see what the guys from W2F say about fishing slightly weighted tubes for super shallow bass...