These are two images representing the same symbol, the first image contains 25 blocks in 13 colors, it represents progression of its different states through time since it was initiated n years ago (
round(n/100, 1) == 0.8);
The second image shows the intended ordering of the colors. It is not a rainbow and not in sync with the sRGB spectrum.
Can you guess what it is?
The HEXADECIMAL values of the colors are very important.
There is no red (#ff0000) color in the first image, and red has a very specific meaning.
It goes COUNTER-CLOCKWISE in the second image if you go FORWARD figuratively in time
0x3ed9999a # 0.???f
0x47a88e00 # ?????.0f
The accepted answer must explain both the first image and the second image, and explain what each color in the first image represents.
For your convenience, the hexadecimal values for the colors in the first image are:
|Column 1||Column 2||Column 3||Column 4||Column 5|
They correspond to 25 numbers with 13 distinct values.