split screen with a part of a schematic pdf/svg openend on the left side, where a dark red colored line is selected. in the stroke paint panel it is shown as black. on the right hand side of the screen, we see the source code for this svg's node in emacs, where there are conflicting attributes for the color
https://files.mastodon.social/media_attachments/files/112/049/101/233/696/289/original/5d3dd601a8e24e0f.png