Disclaimer: Always check the credits. Most Gen 4 rips require credit to Nintendo, Game Freak, and the ripper (e.g., Minorthreat, Kymotonian, or Alistair).
Solution: That is a DS artifact. In RPG Maker, you can apply a Screen Tone of -Red, -Blue, +Green to soften the contrast. Alternatively, find "anti-aliased" Gen 4 tilesets, which smooth the black outlines into dark greens. pokemon essentials gen 4 tileset
Let’s imagine a player’s first town: “Cypress Town” (inspired by Floaroma). Disclaimer: Always check the credits
Without a Gen 4 tileset, you’d need 40+ events to fake that depth. With the tileset, you paint it in 10 minutes. Without a Gen 4 tileset, you’d need 40+
Simply having the tiles isn’t enough. You need to map like Game Freak’s Gen 4 team.