Transparent series points on a plot

Specific Domains Visualization
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2

Need to use alpha argument:

using Plots; gr()
fc = RGBA.(0.5, 0.5, 0.5, 0.1:0.1:1.0)
scatter(1:10, 1:10, c=fc, alpha=fc, legend=false)

Plots_gr_scatter_RGBA_alpha_channel