I used a G hook for newborn size. F for Preemie, H, I and J for larger sizes.
Leprechaun/St. Pat's Day hat-
Green yarn-
Round 1
Chain 4
10 double crochet in 4th chain from hook. Slip stitch to beginning.
Round 2
Chain 3
2 double crochet in each stitch around. Slip stitch to beginning.
Round 3
Chain 3
2 double crochet in first stitch 1 double crochet in next stitch. *2 double crochet in next stitch,
1 double crochet in next stitch* continue *..* around to beginning. Slip stitch to beginning.
Round 4
Chain 3
2 double crochet in first stitch 1 double crochet in next 2 stitches. *2 double crochet in next stitch,
1 double crochet in next 2 stitches* continue *..* around to beginning. Slip stitch to beginning.
Round 5
Chain 2
Half double crochet in each stitch around back loops only. Slip stitch to beginning.
Rounds 6 thru 10
Chain 3
Double crochet in each stitch around. Slip stitch to beginning.
Change color to brown.
Rounds 11 and 12
Chain 3
Double crochet in each stitch around. Slip stitch to beginning.
Change color back to green
Round 13
Chain 3
Double crochet in each stitch around. Slip stitch to beginning.
Round 14
Chain 2
2 half double crochet in first stitch, 1 half double crochet in next stitch. *2 half double crochet in next stitch,
1 half double crochet in next stitch* continue *..* around to beginning. Slip stitch to beginning.
Round 15
Chain 3
2 double crochet in first stitch, 1 double crochet in next 2 stitches. *2 double crochet in next stitch,
1 double crochet in next 2 stitches* continue *..* around to beginning. Slip stitch to beginning.
Round 16
Chain 3
2 double crochet in first stitch, 1 double crochet in next 3 stitches. *2 double crochet in next stitch,
1 double crochet in next 3 stitches* continue *..* around to beginning. Slip stitch to beginning.
Fasten off and weave in ends.
Buckle-
yellow/gold yarn
Chain 18
1 half double crochet in 3rd chain from hook. 1 half double crochet in next chain.
4 half double crochet in next chain, 1 half double crochet in next 3 chains.
4 half double crochet in next chain. 1 half double crochet in next 3 chains.
4 half double crochet in next chain. 1 half double crochet in next 3 chains.
4 half double crochet in next chain. 1 half double crochet in next 2 chains.
Fasten off and leave tail for sewing.
Place ends together to form buckle sew together.
Sew buckle onto hat at the brown rounds.
You could make this all black for a top hat. Red and white striped for Dr. Suess. Pastel colors for Easter.
Black and orange for Halloween. Brown for Thanksgiving.