Graphics`ArgColors`
ArgColor, ArgShade, and ColorCircle are obsolete, with simple definitions in terms of system functions.
ArgColor can be defined in terms of Hue, Rescale, and Arg:
Version 5.2
![<< Graphics`ArgColors`
ArgColor[1 + I]](Files/ArgColors.en/legacy_1.gif)
In[8]:=8

✖
https://wolfram.com/xid/0nwb40s5qwcz4n2c4qz1i-25t1vm
Out[8]=8

ArgShade can be defined in terms of GrayLevel, Rescale, and Arg:
Version 5.2
![ArgShade[1 + I]](Files/ArgColors.en/legacy_2.gif)
In[2]:=2

✖
https://wolfram.com/xid/0nwb40s5qwcz4n2c4qz1i-krfgi8
Out[2]=2

ColorCircle can be defined in terms of Hue:
Version 5.2
![ColorCircle[6]](Files/ArgColors.en/legacy_3.gif)
In[2]:=2

✖
https://wolfram.com/xid/0nwb40s5qwcz4n2c4qz1i-7hbxjr
Out[2]=2
