lib/color.ex
defmodule Rivet.Utils.Color do
@doc """
iex> color = random_hex_color()
iex> is_binary(color)
true
iex> String.length(color)
7
"""
def random_hex_color() do
"#" <> Enum.map_join(0..5, fn _ -> Enum.random(0..15) |> Integer.to_string(16) end)
end
end