Here is a useful variation on Heikin-Ashi.
“Determines HA direction for two (Min/Max) number of Compare bars
and displays the Up Color if they agree in the Up direction,
displays the Down Color if they agree in the Down direction,
and displays the Warning Color if they do not agree. “ paraphrased from code comments

Defaults
Min to 0
Max to 1 // very granular diff btwn min max, but still 'low whip'
upColor to Green
dnColor to Red
warnColor to Yellow

Original idea credited to KAHUNA on TS Boards (who, btw, is also an EL code and systems developer. Disclaimer: I have no financial or personal affiliations with him. He just seemed to always post clean elegant code...)