I found a Bug report (Wishlist Item) from 2006-11-08 that exactly describes the desired functionality. If anyone is interested: "Dialog for adjusting colors in selection (HSL, brightness/contrast,etc)" https://bugs.launchpad.net/inkscape/+bug/171589 Better yet - there's a New Extension by ...

Thanks for the answer, brynn. About the filters being "bare metal" Let's assume I'd like to reduce the saturation of a group of objects a bit, but not completely (so I cannot use the simple filter 'Desaturate'). Select group of Objects > Menu Filter > Filter Editor > Click 'Create New Filt...

Thanks for the welcome, brynn. Sorry, I think I didn't make my intention clear enough. I know about Extensions > Raster. However, I would like to do a colour correction on a group of vector objects. The functions in Extensions > Raster only seem to work on imported Bitmap(Raster) images. Should it w...

I don't know if this already came up some time, at least I haven't found a topic dealing with this... Often times when I draw something in Inkscape I will export the result to a bitmap and then use Gimp to apply all kinds of color corrections to the image, like - Hue - Saturation - Lightness - Contr...