Need help to calculate the contrasting colors for given set of RGB values.
For a
<code>
sub contrast()
r=127
g=127
b=127
activecell.font.color=RGB(r,g,b)
new_r=255-r
new_g=255-g
new_b=255-b
activecell.interior.color=RGB(new_r,new_g,new_b)
end sub
</code>
does not help when r,g,b values near...