The felted hat is the Reynolds Yarns Pattern #82211, Felted Hats. [1] (I have not used the website listing that pattern so I cannot endorse it, I just linked there because they had a good pic of it.)

The pattern for the mittens is from the Felted Knits [2] book.

They're even brighter in person. Think, brand new highlighters. You know how highlighted paper in the sunlight really pops out the brightness even more? Like that.