You are supposed to use either 10mm needles or 12mm needles, depending on your tension.

The pullover is knitted in the main colour, and flecks of the two contrast colours are embroidered on later.

Yarn:
5 / 6 / 7 x 100g balls in Hellblau (016)
1 x 100g ball in Creme (001)
1 x 100g ball in Schwarz (008)