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Here is a method besed on CIE1931 system: S":55YQev!
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1) Try to find the intersection point of CIE1931 standrad curve and the following line: oVD)Fb%[i9
y=k*(x-0.3333) + 0.3333 AZj `o
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k=(yo-0.3333)/(xo-0.3333) and (xo,yo) is the known color coordintae point. DH@]d0N
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2) the wavelength of the intersection point will be the dominant wave to be determined. )A@
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If you need further help, I can share an Excel file. gI~ 4A,
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Let me know how thing's going. 8 !R +wy
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Hope helpful. nV[0O8p2Md
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Mang
