Buildx has support for modifying the colors that are used to output information
to the terminal. You can set the environment variable BUILDKIT_COLORS to
something like run=123,20,245:error=yellow:cancel=blue:warning=white to set
the colors that you would like to use:
Setting NO_COLOR to anything will disable any colorized output as recommended
by no-color.org:
Note
Parsing errors will be reported but ignored. This will result in default color values being used where needed.
See also the list of pre-defined colors.