What are some six-letter colours?

18 of the 117 colours in Icillion have exactly 6 letters, for example Yellow, Purple and Orange.

Which six-letter colours start with B?

B is the most common first letter here, with 2 names, such as Bistre and Bronze.

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Stuck on a crossword or a word game? 18 colours have exactly 6 letters, from “Bistre” to “Zaffre”.

18 of the 117 colours have exactly 6 letters (15%).
Most start with B (2), C (2) and P (2).
Only names of one word are counted, and only their letters: spaces, hyphens and apostrophes are not.

What are some six-letter colours?: 18 of the 117 colours in Icillion have exactly 6 letters, for example Yellow, Purple and Orange.
Which six-letter colours start with B?: B is the most common first letter here, with 2 names, such as Bistre and Bronze.

How deep does your knowledge go?

Seven prompts a day, twenty seconds each. Obvious answers float on the tip of the iceberg; rare ones sink all the way to the trench.