People with low vision have difficulty seeing things that do not have high contrast, no matter how large they are  Programs that are not usable for thesef people cut out many who would like to use them.  eTapestry is for nonprofits, many volunteers at nonprofits are older people, and many older people have problems with cataracts, macular degeneration, and other vision issues.  So let's make the nonprofit software accessible for all those who would like to use it, not just for the paid staff who may be younger - or for the designers, who most likely are younger.