HOW COLOR COMPUTERS COMPUTE HOW A COLOR LOOKS
| - If we are interested in how a color of an object looks, we need to know what type of lighting with which we will be looking at the object. | |
| - In the color computer, we have stored the illuminant mathematical tables for the light sources in which we are interested. | |
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- We select the illuminant of choice in our program, in this case, Average Daylight "D65." |
| We now measure the object color in which we are interested with a color instrument. The data is then used in the color calculation. |  |
| In the color computer, the color software relates the illuminant data, which is the relative energy of the light source, and multiplies the color measurement data and the color matching functions to yield three curves. These curves are the tristimulus values X, Y, Z. This is the basis for the mathematics in the color computer that tells us how a color will look based on a color measurement. If you want to know how the color will look under another type of lighting, you change the illuminant math and redo the calculation. You do not have to re-measure the object. | |
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| <HOW COLOR COMPUTERS COMPUTE HOW A COLOR LOOKS> | |
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