Hi, @Oc}\Rg
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Here is a method besed on CIE1931 system: H(ftOd.y
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1) Try to find the intersection point of CIE1931 standrad curve and the following line: ~sja^
y=k*(x-0.3333) + 0.3333 P6Z,ci17
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k=(yo-0.3333)/(xo-0.3333) and (xo,yo) is the known color coordintae point. C g,w6<7
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2) the wavelength of the intersection point will be the dominant wave to be determined. &7y1KwfXn
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If you need further help, I can share an Excel file. $,@+Ua
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Let me know how thing's going. rO>wX_
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Hope helpful. {}gk4xr
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Mang