The colour combination doesn't seem to be so distinguishing *for a diverse range of screens*. For example, on a LED back-lit screen when the table is viewed from an angle ~= 75° or 115° all items seem to have the same light color. Example
@Kaartic We've had a long discussion at T152532 with this solution coming into place. The problem with a darker background is, that it is resulting in a too strong visual emphasis of the zebra lines.
We could think about increasing the vertical border-spacing a bit in order to clarify grouping a tad more:
Hovering doesn't help people who use the keyboard a lot ;-) Of course, the check box gets highlighted when :focus which might help a little but I'm not sure it helps as much as the :hover effect.