This gives you the list of default colors:
julia> Makie.wong_colors()
7-element Array{RGBA{Float32},1} with eltype ColorTypes.RGBA{Float32}:
RGBA{Float32}(0.0f0,0.44705883f0,0.69803923f0,1.0f0)
RGBA{Float32}(0.9019608f0,0.62352943f0,0.0f0,1.0f0)
RGBA{Float32}(0.0f0,0.61960787f0,0.4509804f0,1.0f0)
RGBA{Float32}(0.8f0,0.4745098f0,0.654902f0,1.0f0)
RGBA{Float32}(0.3372549f0,0.7058824f0,0.9137255f0,1.0f0)
RGBA{Float32}(0.8352941f0,0.36862746f0,0.0f0,1.0f0)
RGBA{Float32}(0.9411765f0,0.89411765f0,0.25882354f0,1.0f0)