Fredrik Averpil’s DNG Camera Profile and Presets for the Fujifilm X100s provide a more accurate representation of colors and makes Lightroom’s representation of colors more similar to Apple Camera RAW’s presentation. He bought an X-Rite ColorChecker so you don’t have to!
It’s worth bookmarking and following from time to time, there is a chance it receive some updates:
Please note, the camera profile has been made from a sunlight D55 and a fluorescent. I will replace the fluorescent with tungsten when I get the chance and provide such a dual illuminate camera profile as well.