The Limiting Colors Due to Ideal Absorption and Transmission Bands

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Abstract
Synthetic-organic chemists have developed to a high state the art of prediction of changes in absorption spectra with changes in molecular architecture. But they are not able to visualize the colors resulting from specific changes. The colorimetrist is frequently asked what spectra constitute ideal goals at which to shoot in a particular field of colors. Previously (see reference 7) the author had calculated the specifications of the colors caused by a V-shaped absorption band moving through the visible spectrum. In order to obtain a more detailed picture of the effects of changes in absorption spectra on the resulting colors, particularly in limiting cases, 100 selected ordinate calculations have now been made of the colors produced by idealized (rectangular) bands, of various widths, when moved across the spectrum.

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