Please consider rounding the audio and midi region edges to soften the look for those who are nuerodiverse such as Dyspraxia,Autism,Dyslexia,ADHD.
By rounding the edge it helps neuro diverse people to visually better see the seperation between Quantize snap markers and audio/midi regions.
Also please consider making audio wave white as black is really difficult to see against loud colours if you are ,Dyspraxia,Autism,Dyslexia,ADHD.