Colors that begin with the letter O

Five minutes to name as many colors that begin with O as you can!
Answers must be ENGLISH names for colors!
If I missed a color, please inform me immediately before bragging about your smartness.
Quiz by CtG526
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Last updated: August 2, 2012
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First submittedAugust 2, 2012
Times taken452
Average score36.4%
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Hint
Answer
 
Obsidian
 
Ochre
 
Octopus
 
Office Green
 
Olive Green
 
Olivine
 
Ooze
 
Orange
 
Orange Red
 
Orange Yellow
 
Orchid
+2
Level 20
Aug 19, 2015
What about Opal and Onyx?
+2
Level 59
Oct 3, 2019
The first colour I thought of was opal.
+3
Level 59
Oct 3, 2019
The only obsidian that I know of is deep translucent black.
+1
Level 58
Feb 23, 2024
Well, look, octopi can be many different colors.