> I agree that the existing colors look awful, and that muted pastel
> colors would work better. Doesn't seem like something that should
> happen at the cost of making the diagram less informative, though.
I am not an expert in the area but I think we should cosider people
with color disability.
https://www.invisionapp.com/inside-design/color-accessibility-product-design/
Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp