Ch = chain
DC = double crochet
HDC = half double crochet
Sl st = slip stitch
FPDC = front post double crochet
Worsted Weight Cotton Yarn
5.0 mm crochet hook
Chain 4, slip stitch to first ch to make a loop
Round 1: Ch 3 (counts as first st), DC 19, sl st to top of chain to join (20)
Round 2: Ch 3, FPDC 1, [dc 1, FPDC 1 in same st] repeat  around, sl st to top of chain to join (40)
NOTE: The circle you have so far will look wavy, but it will even out!
Round 3-10: Ch 3, FPDC 1 (make sure it's around the FPDC from the previous row), [dc 1 in next, FPDC 1 in next FPDC from previous row] repeat  around, sl st to top of chain to join (40)
Round 11: With color 2, ch 2, hdc in back loops around
Round 12: With color 3, ch 1, work all hdc and dc in back loops and all sc in both loops: [hdc 1 and dc 1 in the same stitch, then dc 1, hdc 1, sl st 1 in the next st] repeat around, sl st to top of ch
Tie off, weave in all ends.
I added a simple flower - LOVE!