With an H/5 mm crochet hook and yarn A, ch 5; join the ch with a sl st to form a ring.
Rnd 1 Ch 3 (counts as dc here and throughout); 2 dc into ring; *ch 2, 3 dc into ring; repeat from * 2 more times for a total of three 3-dc clusters. Ch 2, join to top of beginning ch-3. Fasten off.
Rnd 2 Join yarn B to any ch-2 space in previous Rnd. Ch 3, 2 dc into ch-2 space, ch 2, 3 dc into same ch-2 space [corner-space made]. *Ch 2, 3 dc into next ch-2 space; ch 2, 3 dc into same ch-2 space [corner-space made]; repeat from * two more times. Ch 2, join to top of beginning ch-3. Fasten off.
Rnd 3 Join C yarn to the middle ch-2 of any corner-space in previous Rnd. Ch 3, 2 dc into ch-2 space, ch 2, 3 dc into same ch-2 space [corner-space made], ch 2, 3 dc into next ch-2 space. *Ch 2, [3 dc, ch 2, 3 dc] in next corner-space; ch 2, 3 dc in next ch-2 space(s) until you reach next corner-space. *Repeat from * until you work all the way around. Ch 2, join to top of beginning ch-3. Fasten off.
Rnd 4 Repeat Rnd 3 with yarn D.
Sc around work with yarn E.
TIP: Make as many granny squares as you need for the desired length. Vary the order of your yarns for a fun and unique look.
To join multiple granny squares together, place two grannies with their right sides together, aligning the stitches of their sc border. St sl across edges to attach. Repeat for as long as you would like your scarf.
SC a final border around scarf.
Tassels (Make 4)
Cut a 10" [25.4 cm] length of yarn and an 18" [45.7 cm] length of yarn. Set aside.
Wrap yarn around the palm of your hand about ten times and cut yarn from skein. Slip off your hand carefully while keeping all loops intact.
Slide the 10" [25.4 cm] piece of yarn between the loops. Tie a knot at the top of the loops.
Now, wrap the 18" [45.7 cm] piece around the outside of the loops, about ½" [1.27 cm] from the top knot. Wrap around the tassel a few times and tie a knot in the back.
Use your size F/3.75 mm crochet hook to flip the yarn tail into the tassel.
Cut the bottom loops open and trim to even tassel strands.
Use the yarn at the top of your tassel to attach to each corner of your scarf.