What color is Length ?

Source Crayola® CSS3 CSS4
#271b2b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#abb6b5
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#d2ded8
 
#dbd7d2
timberwolf
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#373642
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6d7276
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey