Create a data frame of colour values
Value
data frame of colours with columns: name, hex, hue, chroma,
luminance, red, green, blue
Examples
colour_data("red")
#> # A tibble: 1 × 8
#> name hex hue chroma luminance red green blue
#> <chr> <chr> <dbl> <dbl> <dbl> <int> <int> <int>
#> 1 red #FF0000 12.2 179. 53.2 255 0 0