On 5/30/19 6:55 PM, Ell via gimp-docs-list wrote: > The transparency and opacity thresholds control how close colors should > be to the background color before they become fully transparent, and how > far they should be from the background color before they remain fully > opaque, respectively. With the default values of 0 and 1, only the > background color becomes fully transparent, and only the colors farthest > away from the background color remain fully opaque. I forgot to mention that the color pickers next to the transparency and opacity threshold options let you set their value by picking a color from the image, and calculating its distance from the background color automatically. -- Ell _______________________________________________ gimp-docs-list mailing list gimp-docs-list@xxxxxxxxx https://mail.gnome.org/mailman/listinfo/gimp-docs-list