You are so sweet and generous, QNS. I would love a box, but not a huge box, please. If you send too much, I can always share with my charity quilting group, "Love, Piece and Joy Quilters". We have a stash room at the leader's house that we can "shop" from at any time. It will all go to good use for others.
Any colors are fine. Personally I can use more of the blenders, solids and small prints to go with the larger prints I seem to have collected. Don't fret over it too much or make it a chore.
Not long ago I stuffed a big bag full of fabrics I had too long and didn't really like anymore, and passed it on to a newer lady in our Love Piece Joy group who didn't have much of a stash yet. She was so delighted and it felt great to free up some space for other fabric. So I know you are enjoying the big 'purge' you are doing! It's a good feeling.