I'm pinning this for inspiration even though there isn't a pattern given for this. Link takes you to ravelry lorijo's fair isle cardigan. She used unknown sweater pattern, fair isle pattern from some mitts, and colors inspired by a painting.
From knit.wool "Upside down Riddari. Designed by my lopi knitting hero, Védís Jónsdóttir. (Does anyone know if Védís has an IG account?) I think there's something about this particular yoke design that looks so good when inverted.