Blue is the color of the sky and sea. It is often associated with depth and stability. It symbolizes trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. Blue is considered beneficial to the mind and body. It slows human metabolism and produces a calming effect.
1 Backlash (sociology), an adverse reaction to something that has gained prominence.  Backlash (pressure group), a UK group opposing the 2008 law criminalising possession of extreme pornography.
aftermath, wake, backwash(noun) the consequences of an event (especially a catastrophic event) the aftermath of war; in the wake of the accident no one knew how many had been injured. consequence, aftermath(noun) the outcome of an event especially as relative to an individual.