Where did the Coloring Scheme for ratings originate from?

Правка en2, от Candidate_Master_2021, 2020-09-15 07:48:10

I was wondering, where did this coloring scheme for rank and ratings come from.

Almost all OJs i know, follow the same color gradient which goes from

Dark, Green, Blue, Orange, Red

(and some variations like cyan)

This is used by all popular OJs like Codeforces, Codechef, Topcoder, Atcoder.

Does this coloring has some meaning as well, because all websites are using it.

Теги #codeforces, #atcoder, #codechef, #topcoder

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en2 Английский Candidate_Master_2021 2020-09-15 07:48:10 190 Tiny change: ' from \n\nDark, Green, B' -> ' from \n\n<text color="Black">Dark</text>, Green, B'
en1 Английский Candidate_Master_2021 2020-09-15 07:45:26 444 Initial revision (published)