Natural Lighting

Natural Lighting
         R      G      B
Jungle - 1.00   1.00   1.00
Park   - 1.00   0.90   0.80
Water  - 0.48   0.60   1.00
Pot    - 0.80   0.80   0.80
Gear   - 1.00   0.70   0.00
Bubbly - 1.00   1.00   1.00
Lava   - 0.55   0.40   0.40
Whale  - 0.55   0.70   0.80 (to 1.00 1.00 1.00 in challenge)
Space  - 0.60   0.55   0.70
Ele    - 0.75   1.00   0.90
Bonus  - 1.00   1.00   1.00

Light is static and fixed per world

The ones in Whale challenge however fluctuate and I have no idea why