[Ruby-GNOME2 Project Website] update - tut-gtk2-appdx-clrtheory (ruby-gnome2-doc-cvs) - Ruby-GNOME2

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 ####### ^ Do not remove the dot (.) above!!!!
 
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+:D. Perfect Grey and Black and White (B/W) colours
+
+    The ninth basic colour is grey colour which is actually any shade between black and white. However, there is the similarity of the colour codes of these three colours, namely, for all the three the defining components in their respective defining colour tuples are identical (black="000000", grey="808080", white="FFFFFF").
+
+    :D1 - Turning Black and White into Grey 
+
+        (d1.b&w) In our colour space you can not modify black and white colours, unless you make their perfect grey shades, by equally increasing or decreasing all their defining colour components. Doing so turns either black or white colour into grey.
+
+    :D2 - TOP values for grey colour components
+
+        (d2.grey) TOP (maximum) values for grey colour components is .98, i.e.: 97% of full (FF) value, which is (hex:FA). You must always change all three colour components.
+
+    :D3 - MIN values for grey colour components
+
+        (d3.grey) MIN values for grey colour components is .02, i.e.: 02% of full (FF) value, which is (hex:05). You must always change all three colour components.
 
 
 



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