whiteTextWhiteBackground: NOT legible
    0 0 68 66
whiteTextGrayBackground: NOT legible
    0 0 68 66
whiteTextBlackBackground: legible
    0 0 68 18
    0 48 36 18
grayTextWhiteBackground: NOT legible
    0 0 68 66
grayTextGrayBackground: NOT legible
    0 0 68 66
grayTextBlackBackground: legible
    0 0 68 18
    0 48 36 18
lightGrayTextWhiteBackground: NOT legible
    0 0 68 66
lightGrayTextGrayBackground: NOT legible
    0 0 68 66
lightGrayTextBlackBackground: legible
    0 0 68 18
    0 48 36 18
darkGrayTextWhiteBackground: legible
    0 0 68 18
    0 48 36 18
darkGrayTextGrayBackground: NOT legible
    0 0 68 66
darkGrayTextBlackBackground: NOT legible
    0 0 68 66
blackTextWhiteBackground: legible
    0 0 68 18
    0 48 36 18
blackTextGrayBackground: legible
    0 0 68 18
    0 48 36 18
blackTextBlackBackground: NOT legible
    0 0 68 66
dfTextDfBackground: legible
    0 0 68 18
    0 48 36 18