Valk, this is all wishful thinking. If you want different colored gauges, you have to pay the horrendous hellacious price.
And, with all respect, I have to say that if you can read black gauges, you're boulevard cruising.
Boulevard cruising is cool, too. Some of my best friends are boul...**cough cough.....)
But if you're out there on the edge, first of all you don't read gauges at all, but if you do, and sometimes in practice you do, then almost ANY color is better than black.