You will need between 170-220 yards of yarn in your main color and 40-80 yards of yarn in your contrast color.

The pink Dot is Cascade Yarns Pastaza (MC 310, CC 309 ) on Us 7 (4.5mm) needles
The green Dot is Berroco Comfort Chunky (MC 5740, CC 5725) on Us 9 (5.5mm) needles