I would like to pick a colour from the fill for the stroke
I would like to pick a colour from the fill for the stroke.
So if I choose fill to be the main I would like to change it regardless if I am picking from the fill or the stroke.
You can do it by holding Shift while using the Eyedropper tool
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A more automated way to derive strokes from fill is possible thanks to the free StrokeColorFromFill script by Sergey Osokin: https://github.com/creold/illustrator-scripts/blob/master/md/Color.md#strokecolorfromfill
It allows to set the same color, or make it darker/lighter. Can save a ton of time. -
Russ commented
If you mean that you want to make the stroke of an object to have the same color as the fill:
You can click-drag the fill color (in any tool palette with the fill/stroke indicator) to the stroke area right next to it, and vice-versa. -
Gordon McAlpin commented
If I'm understanding your request right, you can already do this. Hold shift while using the eyedropper.