   foreground.redraw()
   redrawSliderPositions()
   redrawSwatch()
+  updateHexText()
 
 sliderHue = d3.slider()
   .min(0)

    H = value
    foreground.redraw()
    redrawSwatch()

sliderSaturation = d3.slider()
  .min(0)



size = 400
sameColorSquareSize = 8

height = size
width = size
