We are redesigning our website and there are some concerns internally that accessibility affects the design element. A toggle mode was suggested. Our standard version would
As hard as it is, sometimes a design change is necessary to make a web page accessible.
A "separate but equal" page may meet the lowest level of WCAG 2.0 but it creates other issues as far as making sure people who need the accessible page know how to get to it and making sure to update both versions of each page so that they have the same information.
Additionally, if you cannot find a way to show the content in an accessible way on the inaccessible page, how is the information going to be shown in an equivalent manner on the accessible one?