Gray shades hex & rgba

From white to black in .05 alpha value increments.

#fff
#f2f2f2 = rgba(0,0,0,.05)
#e6e6e6 = rgba(0,0,0,.1)
#d9d9d9 = rgba(0,0,0,.15)
#ccc    = rgba(0,0,0,.2)
#bfbfbf = rgba(0,0,0,.25)
#b3b3b3 = rgba(0,0,0,.3)
#a6a6a6 = rgba(0,0,0,.35)
#999    = rgba(0,0,0,.4)
#8c8c8c = rgba(0,0,0,.45)
#808080 = rgba(0,0,0,.5)
#737373 = rgba(0,0,0,.55)
#666    = rgba(0,0,0,.6)
#595959 = rgba(0,0,0,.65)
#4d4d4d = rgba(0,0,0,.7)
#404040 = rgba(0,0,0,.75)
#333    = rgba(0,0,0,.8)
#262626 = rgba(0,0,0,.85)
#191919 = rgba(0,0,0,.9)
#0d0d0d = rgba(0,0,0,.95)
#000

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