Colourblindness as it relates to web and graphic design considerations
Why bother ? "Hmmm ? Never thought about it." "Why bother going to all that trouble, it’s not like it affects many folk…" "Well, they can’t see properly, nothing we can do about that, is there?" "Looks fine to me and that’s what matters!" Given that you are here, reading this, I assume and hope …
Colour Charts showing visible spectrums { Chart showing spectrums for colour blind people } { The standard websafe colour palette } { Standard websafe colour palette, as seen by someone with Deuteranope colourblindness } { Standard websafe colour palette, as seen by someone with Protanope colourblindness } (To find: Tritan palette) …
Forms of colorblindness Normal vision Trichromasy All three cones types are present and working normally Mildly colour blind Anomalous trichromasy A mild colour deficiency or weakness affecting 6.3% of men and 0.37% of women. One or more of the three cones light-sensitive pigments are not quite right, affecting the balance and brightness of colours: Protanomaly …
Update I actually wrote this series of articles over tens years ago so the screen grabs below are rather dated, but do still show that choosing the right colour scheme makes your site easier to read to everyone. I suppose, in retrospect, I should have also used a series of images to show the reverse, …
Links and resources relating to colour blindness TOPTAL: Colourblind Web Page Filter: “See your web site through colorblind eyes with the colorblind web page filter.” Wickline colour filter : See your web site through colourblind eyes. Wickline colour simulation – wheel charts Vischeck – You can see pages with this online utility, or download their …