They are still more expensive - a search on Mouser yields many 6-cent red LEDs and 10-cent green LEDs but no blue LEDs under 15 cents. But yeah, in the past the

They are still more expensive - a search on Mouser yields many 6-cent red LEDs and 10-cent green LEDs but no blue LEDs under 15 cents. But yeah, in the past the difference was muuuuch bigger.