using surface reflectance instead of toa
// surface reflectance var imsr = ee.Image("COPERNICUS/S2_SR/20190310T032549_20190310T033811_T48PUV"); // toa reflectance var imtoa = ee.Image("COPERNICUS/S2/20190310T032549_20190310T033811_T48PUV"); // add layers to map Map.addLayer(imsr,{min:0,max:3000,bands:"B4,B3,B2"}); Map.addLayer(imtoa,{min:0,max:3000,bands:"B4,B3,B2"});