What color is Square ?

Source Crayola® CSS3 CSS4
#4c4b58
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6f6f78
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#43323b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey