This is a question with answer options. Goal: How can I make a scratched keyboard easier to read?

Which of the following methods is more reasonable for accomplishing this goal?

OPT:
(i) Tape off keyboard and paint keys. Use a marker of the same color to write letters and numbers on keys.
(ii) Tape off keyboard and paint keys. Use a marker of a contrasting color to write letters and numbers on keys....I think the answer is
(ii)