Photo help - Proper colour - Canon SLR

[Coasting]

Iso 100, f 5.0, 1/60


iso 640, f 5.0, 1/60


iso 200, f2.8, 1/40


iso 400, f2.8, 1/30


iso 1000, f4.5, 1/60


iso 6400, f8.0, 1/60


Kept the same iso, fstop and speed for all these pictures but played with the following settings on the camer itself.
Sharpness, Contrast, Saturation, Colour tone.
Max all 4


Max all but contrast 0


Max all sharpness low.


Max all saturation 0


Max all tone 0


All 0, sharpness max


all 0, contrast max


All 0, saturation max


all 0, tone max


Any of them look any better?