What color is Cambridge (I-40) Calculator ?

Source Crayola® CSS3 CSS4
#4e4639
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#77736a
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#251d34
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey