There are variations out there on mitred squares (on old technique): this is how i like to do them, and two successful colour combinations.
Pay pattern Welsh Blanket by Debbie Bliss mosaic knitting
~ Living a Beautiful Life ~ Ravelry: Welsh Blanket knitting pattern by Debbie Bliss. I want to find a similar crochet pattern.
Sheep Baby Blanket ~ Pattern by Jean Adel from her book "Precious Knit Blankies For Baby". It is made with a basic knit and purl pattern; the sheep are made using Intarsia knitting.
Ravelry: Mitered Squares Baby Afghan or Lap Robe pattern by Margaret Holzmann