Looking for help on finding missing flowerpot color

[Maul Binder]

I have following colored flowerpots from spring quest and seems I need only one hoping someone may have found one to fill out the list.
1 Purple
2 Rainbow
3 Rainbow 2
4 Rainbow 3
5 Teal
6 Coral
7 Red White
8 Gold
9 Purple Blue
10 Pink
11 Orange
12 Red
13 Blue White
14 Silver
15 Watermelon
16 Blue ( Tyvm Thomas Covenant for informing me of it)

I'm trying to figure out the one color missing from this list have heard maybe turquoise but no confirmation I was also thinking maybe bronze or copper as to go with metals .