1. Introduction
2. Observations
2.1. J-PLUS scientific verification data
2.2. First J-PLUS data release
2.3. First S-PLUS data release
3. Synthetic photometry
4. Synthetic colour-colour diagrams: selection criteria
5. Validation of the colour-colour diagrams
6. DR1 vs. the complete PNe catalogue - HASH
7. Discussion and Conclusions