GraphicsMagick is a replacement for ImageMagick. Now x11-themes/tangerine-icon-theme depends only on media-gfx/imagemagick.
Fixed
(In reply to comment #1) > Fixed > reopening || ( media-gfx/imagemagick[png?] media-gfx/graphicsmagick[imagemagick,png] ) seems like you got missing ? in the graphicsmagick png use depend there.
Thanks Samuli Fixed properly now