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Here is a method besed on CIE1931 system: 5;`([oX|_
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1) Try to find the intersection point of CIE1931 standrad curve and the following line: ^P"t
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y=k*(x-0.3333) + 0.3333 CS50wY
here ^[&*B#(
k=(yo-0.3333)/(xo-0.3333) and (xo,yo) is the known color coordintae point. R
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2) the wavelength of the intersection point will be the dominant wave to be determined. AW+4Vm_!l
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If you need further help, I can share an Excel file. Kl(}s{YFn.
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Let me know how thing's going. RZOk.~[v
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Hope helpful. -<ZzYQk^h
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Mang