This console command sets your client's tint parameters. Tint parameters define how vibrant the game's display is. See examples for help.
settintparam [r] [g] [b] [a]
|R||A number between 0 and 1.|
|G||A number between 0 and 1.|
|B||A number between 0 and 1.|
|A||A number between 0 and 1.|
SetTintParam 0 0 0 0
The above command would make the game as vibrant as-is possible.
SetTintParam 1 1 1 1
This console command would make the game as least-vibrant as possible.
The STP command is an alias of the SetTintParam command - it has the same function.