SetPlayerColor

This function allows you to change the color of a player currently in-game.

(playerid,colour)

playerid

The player you want to change the color of.

color

The new player's color, as an integer.

This function does not return a specific value, it's best to simply ignore it.

//using hex notation:
SetPlayerColor(playerid, 0xFFFF00AA);
 
//using decimal notation:
SetPlayerColor(playerid, 4294901930);

Hex and decimal values can be converted in each other, e.g. by using Windows' Calculator (advanced interface)

The following functions might be useful as well, as they're related to this function in one way or another.