Modify colors in addProviderTiles() ?

[aloboa]

I find
addProviderTiles(providers$Esri.WorldShadedRelief)

renders a too whitish map, is there a way to modify colors of provided layers?

[trafficonese]

You could maybe use this plugin
https://github.com/xtk93x/Leaflet.TileLayer.ColorFilter
with this approach:
https://gist.github.com/jcheng5/c084a59717f18e947a17955007dc5f92