[quote=@Techspert]
<Snipped quote by whizzball1>

That's... unfamiliar. How can you change color without changing intrinsic physical properties such as reflected wavelength?
[/quote]

That's the cool thing! Colour is an expression of a bunch of other physical properties about the duck. When I reach out and "push" the colour in this particular layer, all the transformations really involved in that are simplified to the touch of a finger!