How to change colours while crocheting means switching your working yarn mid-project, timed on the final yarn-over of a stitch rather than the first, for the cleanest possible line. I get this exact question phrased with the UK spelling from readers outside the US regularly. This guide covers the steps.

Step-by-Step Instructions
- Work your last stitch in the old colour until two loops remain on the hook.
- Drop the old colour and pick up the new one.
- Yarn over with the new colour and pull through both loops.
- Continue in the new colour, leaving tails to weave in later.

Frequently asked questions
Can you change colours in the middle of a row?
Yes, though a mid-row switch shows more clearly than one placed at a row’s edge. Plan the switch for the row’s start or end whenever your pattern allows it.
Want the full color-changing walkthrough?
See variations by stitch type and common mistakes to avoid.
Read the full color-changing guide