Thing type 550, Yellow Spring, is a yellow spring pointing straight up. Compared to the blue spring and red spring, it has a medium amount of force behind it, being stronger than the blue spring yet weaker than the red spring. The yellow spring propels the player 450 fracunits into the air. To make platforms reachable by a yellow spring, it is recommended to make them no higher than 384 fracunits from the ground to provide a little extra room.
