It should work, but it's possible you might need to `Pkg.checkout("Gadfly")` and `Pkg.checkout("Compose")`. See https://github.com/dcjones/Gadfly.jl/pull/689
--Tim On Wednesday, September 23, 2015 06:39:29 PM Li Zhang wrote: > Hi there, > > i found no way to get transparent colors in gadfly, anyone have done this, > or a issue should be filed?