The Recipe Book doesn't include the recipes for crafting colored shulker boxes, only for the default purple one.
I am in Creative and I have typed "/recipe give @p *" before creating this report.
Linked issues
Comments 2

hi could not agree more 🙂 Firework rockets are now in the recipe book as of snapshot 20w45a. see message send by @unknown added a comment - 05/Nov/20 12:28 AM https://bugs.mojang.com/browse/MC-115229?focusedCommentId=834614&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-834614
This issue duplicates MC-115863.