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Dyes tend to fade more readily than pigments, but often are beautiful and useful colors. This is especially true of reds and yellows. In these cases the dye is used to stain a metallic salt, and the resulting particles ground as pigments. In this form the dye is now far more lightfast and the best lake type pigments are among the most lightfast in the palette, and these days consist of many different colors, often not even labeled as such.
'Lakes' derive their name from the first color made this way which was the red called carmine for artists (or cochineal to cooks) . It derives from an insect called the Lac. During the Renaissance this color was simply known as Lake, or Red Lake.
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