You can lock colorways to prevent changing their prices. You can only lock colorways if the flag is enabled at the catalog level. To lock a colorway, you can either view it then select Lock from the Actions menu, or click the checkbox next to the colorway(s), then click the Lock button as shown below:

When the button is clicked, the following confirmation message appears:

Click Lock to confirm locking the selected colorways.
Note:
- An icon is added next to the colorway price to indicate that it is locked as shown in the below example:

Also, the Edit prices option is deactivated for locked colorways.
Unlock colorway
To unlock the colorway, view it then select Unlock from the Actions menu, the following message appears:

Click Unlock to confirm.