0_Apprentice
My favorite color is green! I like it's such a pretty color! Do you like green?
1_Wizard
Green is the color between blue and yellow 
0_Apprentice
That makes sense! I remember mixing blue and yellow paint in school to make green.  My favorite shade is like an emerald green.
1_Wizard
By far the largest contributor to green in nature is chlorophyll, the chemical by which plants photosynthesize 
0_Apprentice
Interesting! What else can you tell me about the color green? 
1_Wizard
It has a dominant wavelength of roughly 495570 nm.
0_Apprentice
I wonder how that compares to other colors?  I don't know much about colors and their wavelengths! 