For those of us who are "shade challenged"... How would one go about using these charts to order the colors from dark --> light?
It is clearly not by rows and columns... but more like a diagonal amongst the colors.
Near as I can tell it is by column. Darkest on the bottom, lightest on the top. I'm not quite sure how he determined what color should appear in a given column and I certainly wouldn't use all the colors in a given column as I move up from dark to light. Its just a guideline showing how he feels the colors can be grouped together.