Coloring Labels with ColorLike fails

[Sonja-Stockhaus]

When trying to render labels using e.g. color="red", the code fails for me: e.g. blobs.pl.render_labels("blobs_labels", color="red").pl.show() gives

Not sure if this is intended, but I think our documentation is a bit misleading since it says we accept a color-like (similar to points and shapes):