Jen Garner Pretty in Pink ... and Damn Happy About It

3/27/2016 7:28 AM PDT

Jennifer Garner rolled up her sleeves and got dirty ... for Easter's sake, even though her kids were nowhere in sight.

Jen took a little time to dip some eggs, and her fingers, into a self-painting setup in an L.A. park on Saturday ... while running a bunch of errands. The hands-on mom looked extremely pleased with her pastel choices.

In your face, Bunny!

And if you believe in Easter miracles -- that sweater looks similar to the one Ben Affleck tossed to Jen a few weeks ago. Hmm ...