22 



Color Standards and Nomenclature. 



TABLE OF PERCENTAGES— Continued. 



Num- 

 ber 



Color. 



Red, 



Orange. 



Yellow. 



Green. 



Blue. 



Violet. 



Wave- 

 length-i 



31 



32 

 33 

 34 

 35 

 36 

 37 

 38 

 39 

 40 

 41 

 42 | 

 43 

 44 ' 

 45 

 46 

 47 

 48 

 49 

 50" 

 51 

 52 

 53 

 54 

 55 

 56 

 57 

 58 

 59 

 60 

 61 

 62 

 63 

 64 

 65 

 66 

 67 

 68 

 69 

 70 

 71 

 72 



Y-0 







24 



17 



6 



76 



83 

 89 

 94 

 100 

 96.5 

 93 

 90 

 85 

 81 

 75 





! 









i 





GY-G 









| 















Green 









1 



520 









3.5 

 7 



10 

 15 



19 

 25 



31 

 39 



46 

 55 



64 

 75 



87 

 100 



84 

 72 



64 

 54 



47 

 40 



32 

 22 



12 











GB-G 











! 











B-G 



















BB-G 

























69 





G-B 









61 



54 

 45 

 36 

 25 



13 

















BG-B 























G-BB 



























Blue 











473 











16 



BVB 











28 ! 



36 



46 



53 | 

 60 

 68 

 78 



88 | 

 100 | 410 



97 ; 

 93 | 



89 i 

 82 : 



76 

 67 



59 j 

 48 



36 











V-B 



















B-V 

















VB-V 



















Violet 









3 



7 

 11 

 18 

 24 

 33 

 41 

 52 

 64 

 74 

 83 

 90 

 95.5 











VR-V 

















R-V 



















RR-V 







1... 











V-R 





















RV-R 





1 







26 



17 

 10 



4.5 













V-RR 

















1 







As determined by Dr. P. G. Nutting-, Associate Physicist, U. S. Bureau of Standards. 



