Output doesn't work in a white terminal

[jyasskin]

npx wicg init "My Awesome API" prints:

__ .__________ ________ >--= W * $\textcolor{lightgrey}{\textsf{3}}$ * C =--<
/ \ / \ _ ___ \ / /
\ // / / \ // \ ___ Web Incubator Community Group
\ /| \ _\ _\
_/\ / ||_____ /______ / https//wicg.io
/ / /

This utility creates the basic files you need to get started.
It guesses sensible defaults based on your git setup.

Press ^C at any time to quit.

LET'S GET YOU SET UP! (ABOUT THIS WICG PROJECT)

👉 $\textcolor{lightgrey}{\textsf{Name of Git repository:}}$ (bikeshed-intro)

The loss of the 3 is minor, but the prompt text also gets lost. It looks like setting prompt.colors = false will fix this, or you could explicitly set a background color.