Diagnosing a problem from memory rarely works, and diagnosing from a bad photo works even less. Natural light with the lamps switched off shows true leaf colour, since purple LEDs hide chlorosis completely. Comparing your leaves against the healthy examples in the strain galleries on https://budweedseeds.com (https://budweedseeds.com) gives a baseline for what the variety should look like. Some lines simply run pale, which people misread as deficiency for months.