Being colorblind, the bottom row in Figure 5 is completely useless to me. I can also not distinguish +1000 from -1000 on the left side of Figure 1.
Publishers, please use color only when it's really neccessary, and then please have some colorblind person available for sanity checking! While it might be hard to find someone with the less common variants, you can at least cover red-green.
Publishers, please use color only when it's really neccessary, and then please have some colorblind person available for sanity checking! While it might be hard to find someone with the less common variants, you can at least cover red-green.