Is a CdS photoresistor a good detector for green light?

[Bob Bruhns]

rob - Looking more closely at this document, I'd say that Figure 3 is 
pretty poor.  But Figure 6 is great.  Green is generally 500 to 570 
nanometers and cds looks pretty good there.
http://www.selcoproducts.com/pdfs/Photocell%20Contstruction%20and%20Characteristics.pdf

    Bob, WA3WDR