A named character vector of the six HFV brand colors, taken directly from
the internal .brands registry. Names are the canonical color labels
(e.g. "Shadow", "Sky").
Examples
hfv_colors
#> Shadow Sky Lilac Grass Berry Desert Leaf Cerulean
#> "#334a66" "#66cccc" "#a29dd4" "#50aaa7" "#c0327e" "#ec7c53" "#6fb547" "#7fc7e0"
hfv_colors["Sky"]
#> Sky
#> "#66cccc"