<human>: Goal: How can I make a scratched keyboard easier to read?

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

OPTIONS:
- Tape off keyboard and paint keys. Use a marker of the same color to write letters and numbers on keys.
- Tape off keyboard and paint keys. Use a marker of a contrasting color to write letters and numbers on keys.
<bot>: Tape off keyboard and paint keys. Use a marker of a contrasting color to write letters and numbers on keys.