Similar, I'm accustomed to using the Magic Wand tool in Paint[1] and Pinta[2] to select pixels based on color. I can't find this anywhere in Affinity.[1] https://www.getpaint.net/doc/latest/MagicWand.html
[2] https://www.pinta-project.com/user-guide/wand/
isodev|4 months ago