Originally Posted by Rik
BTW, is there an easy way to search/replace the colors in Inkscape now that the layers are messed up? (When grouping things, they all moved to one layer, so 'red' isn't just the red things anymore.) When I picked the colors for them, I tried to match the lit VFD photos, but later realized there's colored plastic over the VFD in the game, so the colors should probably be adjusted for a more accurate appearance...

svg is xml, aka text. Colors in there are in style attributes, in a web-like format, aka #rrggbb. So any decent text editor should allow you to do the changes you want.