function getBuildingColour(score){
	var minH = 40;
	var H = minH +score*15;
	var S = 100;
	var minL = 27;
	var L = minL+50*score;
    return "hsl("+H+","+S+"%,"+L+"%)";
    }


function getSensorColour(intensity){
	var H =45;
	var S = 30+50*intensity;
	var minL = 15;
	var L = 80*intensity + minL;
    return "hsl("+H+","+S+"%,"+L+"%)";
    }

function getShadowColor(){
	var H =286;
	var S = 9
	var L = 35
    return "hsl("+H+","+S+"%,"+L+"%)";
    }