Add warnings to output for alpha levels in contrast check#223

Merged

ironikart merged 2 commits intosquizlabs:masterfrom phillbaker:rgba-warnings

Jul 5, 2018

+89-20

Commits on Jul 4, 2018

Add methods to convert an rgba background color to rgb

mfairchild365
authored and
phillbaker
committed
Issue warnings for alpha in contrast checking.
phillbaker
committed