### Revised Design Breakdown

**Composition:**
- Central arrangement of colorful flowers amidst rocky terrain.
- Background featuring rolling hills and a misty landscape, with a hint of a waterfall and a rainbow.

**Flowers:**
- Change the flower colors to vibrant shades of purple, yellow, and blue.
- Introduce a more exotic, larger flower variety for added visual interest.
- Add variations in petal shapes and sizes.

**Leaves:**
- Modify the leaves to be broader and heart-shaped, providing a lush and tropical feel.
- Include droplets of water on leaves for a fresh, morning effect.

**Background:**
- Include a serene lake in the background instead of a rocky landscape, reflecting the colors of the sky.
- Decrease the intensity of the rainbow to a subtle gradient.
- Replace some of the distant flowers with trees, introducing a more forested atmosphere.

**Lighting:**
- Adjust the lighting for a soft, golden hour effect, casting gentle shadows and highlighting the textures of the flowers.

This revised design keeps the floral theme while offering a distinctive and refreshing look.