All chormagenic slide films, including Ektachromes, will slowly develop a stain growth on the films. Kodachrome film does not develop this stain growth. Regarding Dark Fading and Light Fading: Kodachrome slides have the best dark-fading resistance. The only problem for those that used that film for their slides is that in has very poor light-fading resistance. So, if you never project your slides to show them to people, your slides may last a long time. But, if you have projected them, then there is a very good chance, if not certainty, that they have deteriorated from the simple fact that you used them as you thought you intended to use them. Shame on you. Don't you wish you had known about these facts before you purchased your film to take your precious family photographs?

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There are millions of color possibilities! These colors can be divided into just a few color families. Every color can be described as having three main attributes: hue, saturation and brightness.

Hue means the color family or color name (such as red, green, purple). The hue determines which basic color it is. Red, green, blue, yellow, orange, etc. are different hues.

Saturation is the measure of the purity of a color or how sharp or dull the color views. Saturation is the vividness or purity of the color

Brightness is the shade "darkness" or tint "lightness" of a color. Luminance refers to the "whiteness" of the color

Cool colors cover a range from blue to violet. Cool colors have a calming "feeling" to them.

Warm colors range from red to yellow. Warm colors stimulate the emotions, motivate and seem to come forward off the screen or page.

Sir Isaac Newton observed that color is not inherent in objects. Rather, the surface of an object reflects some colors and absorbs all the others. We perceive only the reflected color. If you think an apple looks red, then it is because it is absorbing all the other colors and reflecting "red."