90 



LANDSCAPE GARDENING 



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- 

 mentary colors are so antagonistic that they will 

 neutralize one another if used in anywhere near 

 equal quantities. On the other hand, they may be 

 used together to great advantage if a very small 

 amount of one is present. In this case there is 



PHILADELPHU/ 



CORONARIU/ 



VULQW 



K* 



VIBUBNUM 



LONTCERA 



FIGURE 20. DIAGRAM OP SEASONAL COLOR CHANGES 



