I'm not aware of an equivalent tool for Pantone colors. But it can be created using this very tool with a table of pantone colors instead of a table of named css colors that it uses now.
There is a tool, but I've only seen it in a dead tree edition.
I'm not aware of an equivalent tool for Pantone colors. But it can be created using this very tool with a table of pantone colors instead of a table of named css colors that it uses now.