This tutorial reply the following questions:
Joining a spherical with a brand new color with crochet
Color/Yarn Change When Crocheting in the Round

In this tutorial I’m going to indicate you the right way to START ROUNDS (in a circle) chainless. This is my go-to approach when change colours.
Beginning of the spherical chains don’t look precisely like the stitches aroung them. When rounds are added in a circle and chain-begins are stacked on high of one other,., the distinction between the chain stitches and the stitches surrounding them turns into extra seen. Can you discover the place I’ve started the spherical?

How to affix a spherical with slip sew/ shut a circle with slip sew

Tutorial for the good circle:

How to make double crochet: