Faded Slide Restoration Examples, Page 2

Another cause of 35mm slide fading might be that the company that developed your slides used inferior or contaminated chemicals or omitted the proper stabilizer bath. Light fading, caused by exposure to high intensity light, will cause a loss of density in highlights. Darker parts of your film may appear virtually untouched while the highlights become wiped away.

Kodachrome film has the best resistance to yellowish stains that other films develop but it also has the worst projector-caused fading.

Dark fading and staining usually produce a yellow/orange cast while light fading usually produces a blue/green cast and overall lightening.

Almost all color transparency films use a multilayer subtractive CMY color construction. The RGB additive method is used by electronic displays; mixing red, green and blue light in various amounts produces the colors you see on screen.