I have to agree with dafuloth, the description is very difficult to understand and even after forfeiting to see the solution I don't understand the math behind.

The JavaScript Kata does not have randomized tests so you can just pass the 4 answers following the input

Thanks got that ! Still stuck on the last test tho...

I am getting the following errors with my code but as they are truncated I cannot find my errors :

emptyStringEqualTo000000(HTMLComplementaryColorTest)
Unknown Test Failure

firstCharIsHashLengthEqualTo73(HTMLComplementaryColorTest)
Unknown Test Failure

incorrectStringType(HTMLComplementaryColorTest)
Unexpected exception, expected but was