It's not hard to change the color range... but the question is what should it be?
Maybe something like my attachment? I think the largest part of the color range should be in 0-4000 as those damage are dealt most often and that the color order should be the same or the change will be too confusing perhaps.
And maybe the color damage should also be more continuous than it is now (now there are 25 colors).
Feel free to put down your own color range.