Normalized RGB functions for monochromatic beams of light of specified <a href="https://en.wikipedia.org/wiki/Wavelength" class="extiw" title="en:Wavelength">λ</a> in <a href="https://en.wikipedia.org/wiki/CIE_1931_color_space" class="extiw" title="en:CIE 1931 color space">en:CIE 1931 color space</a>. Data is gathered from <a rel="nofollow" class="external text" href="http://cvrl.ioo.ucl.ac.uk/cie.htm">the CVRL Database</a>. This image replaces <a href="https://en.wikipedia.org/wiki/Image:CIE1931_RGBCMF.png" class="extiw" title="en:Image:CIE1931 RGBCMF.png">en:Image:CIE1931_RGBCMF.png</a> (with more data points). All source code was made by hand.
<a href="https://en.wikipedia.org/wiki/User:Marco_Polo" class="extiw" title="wikipedia:User:Marco Polo">Marco Polo</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons by <a href="//commons.wikimedia.org/wiki/User:Kanie" title="User:Kanie">Kanie</a>.