What color is Embroidery Form, Crowley's Fiber Letter Foundations for Embroidery ?

Source Crayola® CSS3 CSS4
#e6e0ca
 
#efdecd
almond
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#353e41
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#5a7585
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey