This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
rahisaurus
rahisaurus.itch.io
did:plc:u5o2idfqybke3fgdyrb6vxlg
Thanks.
I tried with ans without SRGB conversion, that made no difference.
What DID make a difference was changing
pixel.rgb * pixel.a
to
pixel.rgba * pixel.a
I never realized you had to ALSO multiply the alpha channel....
2025-10-07T14:42:09.559Z