# Color  
# A tibble: 4 × 6
  property type   instance_of array_of format enum            
  <chr>    <chr>  <chr>       <chr>    <chr>  <list>          
1 alpha    number <NA>        <NA>     float  <tibble [0 × 2]>
2 blue     number <NA>        <NA>     float  <tibble [0 × 2]>
3 green    number <NA>        <NA>     float  <tibble [0 × 2]>
4 red      number <NA>        <NA>     float  <tibble [0 × 2]>
