You can search for identifiers within the package.
in-package search v0.2.0
type t =
| Black
| DarkGrey
| Red
| DarkRed
| Green
| DarkGreen
| Yellow
| DarkYellow
| Blue
| DarkBlue
| Magenta
| DarkMagenta
| Cyan
| DarkCyan
| White
| Grey
| Rgb of int * int * int
exception Invalid_color_format of string
exception Invalid_color_range of string
val ansii_of_color : t -> string
val is_ansi_color_disabled : unit -> bool
val from : string -> t