fix: update variable colors with hex colors (#28604)
fix: update variable colors with hex colors (#28604)


eduNEXT/edx-platform,eduNEXT/edx-platform,eduNEXT/edx-platform,arbrandes/edx-platform,angelapper/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,arbrandes/edx-platform,edx/edx-platform,edx/edx-platform,angelapper/edx-platform,edx/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,eduNEXT/edx-platform,edx/edx-platform