What color is Sidewall, Signet, ca. 1990 ?

Source Crayola® CSS3 CSS4
#5b5b55
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#46444a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#32322c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#69616b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey