The dye in "Katie Island Adventure" is a prop in the game, but many players don't know how to get more dyes. First, after completing the task "Resurrection" (with Katie reached friendship level 11) , you will be able to enter the recycling plant, which allows you to throw all kinds of junk items into it in exchange for some good stuff, including dye bags.
How to get more dyes on Katie Island Adventure
After completing the mission "Reef Revival" (with Katie Friendship Level 11), you will be able to enter the recycling plant. This unique factory lets you throw all kinds of junk items into it in exchange for some good stuff, including dye bags.
This is a great way to get dyes, so make sure to complete the "Reef Revival" mission after reaching level 11 friendship with Katie!