The G36C is an Assault Rifle featured in Call of Duty 4: Modern Warfare, Find Makarov: Operation Kingfish, Call of Duty: Modern Warfare 3, Call of Duty: Modern Warfare 3: Defiance, Call of Duty Online and Call of Duty: Modern Warfare Remastered. It can also be used in Call of Duty: Modern Warfare 2 with the console commands.
Open up the AppleScript Editor, paste the following code and save it as /Users/<your-username>/Documents/Microsoft User Data/Excel Script Menu Items/AutoColorCells\scc.scpt. The \scc in the filename creates a keyboard shortcut control-shift-c.