module colors

red { "rgb" 255 0 0 }
green { "rgb" 0 255 0 }
blue { "rgb" 0 0 255 }

import "colors.pkl"

the_color = colors.blue

use_color: 
    pkl eval -f json use_color.pkl

{
  "the_color": [
    "rgb",
    0,
    0,
    255
  ]
}