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JOptics Course
More information:

Grup d'Innovació Docent en Òptica Física i Fotònica
Departament de Física Aplicada i Òptica
Universitat de Barcelona

Martí i Franquès 1
08028 Barcelona
Phone:+34 93 402 11 43
Fax:+34 93 403 92 19

optics (at)

Click on the image to run the program with Java WebStart
Press here to run the program in the browser


This applet let you study colors and its characteristic parameters, such as dominant wavelength, purity and coordinates in the XYZ or CIE system representation. You can obtain different colors by additive or substractive mixture and you can also study the changes of a filter color with the illuminant.