Reminds me of [R]color[G]Forth. Links are rotting, but a very brief surf turns up these for orientation[0], some example code[1], what the colors mean[2], an old list archive[3], and some recent work[4]. Tldr, sort of: instead of having syntax cruft, which ide's then colorize, often deemphasizing the syntax cruft, instead you store the colorized code, and drop the cruft.
[0] https://en.wikipedia.org/wiki/ColorForth https://wiki.c2.com/?ColorForth
[1] http://www.merlintec.com/download/color.html
[2] https://colorforth.github.io/parsed.html
[3] http://www.strangegizmo.com/forth/ColorForth/
[4] https://github.com/AshleyF/Color