Hi, MK!
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Here is a method besed on CIE1931 system: ;.xKVH/@
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1) Try to find the intersection point of CIE1931 standrad curve and the following line: M&q~e@P
y=k*(x-0.3333) + 0.3333 xL<c/B`-:
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k=(yo-0.3333)/(xo-0.3333) and (xo,yo) is the known color coordintae point. [e_csQ
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2) the wavelength of the intersection point will be the dominant wave to be determined. ps8tr:T^=
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If you need further help, I can share an Excel file. X7-[#} T
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Let me know how thing's going. 1^GRUbOU[
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Hope helpful. /B 3\e3
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Mang