90 



LANDSCAPE GAEDENING 



appear directly opposite one another. Red and 

 yellow, mixed, give orange; yellow and blue, 

 green ; blue and red, purple or violet. 



If complementary pigment colors are mixed in 

 equal quantities, each kills or neutralizes the 

 other, and the result is gray, in which neither of 

 the complements is traceable. In fact, comple - 

 mentar y colors are so antagonistic that they will 

 neatralize one anoth er if used in anywhere nea r 

 eq ual quantities^ On the other hand, they may be 

 used together to great advantage if a very small 

 amoimt of one is present. In this case there is 



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FiGUKB 20. DIAGRAM OF SEASONAL COLOR CHANGES 



