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Here is a method besed on CIE1931 system: WyBQ{H{So
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1) Try to find the intersection point of CIE1931 standrad curve and the following line: Z]x5!
y=k*(x-0.3333) + 0.3333 !B [1zE
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k=(yo-0.3333)/(xo-0.3333) and (xo,yo) is the known color coordintae point. HUU >hq9
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2) the wavelength of the intersection point will be the dominant wave to be determined. aQ!9#d_D
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If you need further help, I can share an Excel file. :u>W&D
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Let me know how thing's going. CF3E]dt
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Hope helpful. k
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Mang