private static RGBColor <float> GetDifficultyColor(StarmapRenderer starmapRenderer, StarSystemNode starSystemNode)
            {
                SimGameState.SimGameType gameType = starmapRenderer.GetSimGameState().SimGameMode;
                int difficulty = starSystemNode.System.Def.GetDifficulty(gameType);

                return(GetDifficultyColor(difficulty));
            }