Comment 3 for bug 2030963

As a workaround for shades of grey that don't contrast sufficiently you might want to check your monitor's gamma value is *low* enough. Gamma is an exponent but the resulting brightness used is only between the values of 0 and 1 so a *lower* gamma value is what makes low-contrast things easier to see. Typically an accurate gamma value is around 2.2, but some monitors default to higher exponents like 2.4 which makes darker colours unrealistically difficult to see.

Some monitors and TVs will try to make the setting easier to understand by inverting it - higher gamma setting means lower gamma exponent, which at least results in a higher brightness for darker elements.