The human eye has two vision systems, black and white and colour. Reduced ability to discriminate colours means the black/white vision system dominates and so the colours look black/grey, similar to how everyones vision becomes black and white in low light as that system is more sensitive than the colour system.
This means red text in black text is difficult to discriminate and thin red lines also look black. Cheers Lex On Sunday, July 19, 2015 at 10:10:59 PM UTC+10, andrew cooke wrote: > > > i don't know anything about this, so forgive me if this is hopelessly > naive. but wouldn't that only be a problem if there were also green bits? > the docs don't seem to have much that is green, so there isn't much that > will get confused with red. andrew > > On Friday, 17 July 2015 21:25:55 UTC-3, [email protected] wrote: >> >> Is also a poor choice for the ~10% of males with red/green colour >> deficiency. >> >> On Saturday, July 18, 2015 at 7:19:20 AM UTC+10, Jeffrey Sarnoff wrote: >>> >>> Reading docs peppered with red is bit headache inducing for me. Is >>> there support for a less aggressive color? >>> >>
