(ORIG) GaussianFeather.rexx to logo with white background and black foreground.

(PCOLOR) Visual Logo - Purecolor (Strict, Strict, Blue, Violet, 3, -2, -2) to ORIG

(NICHED) Visual Logo - Niched (No, 6, 6) to ORIG

Mark PCOLOR as Secondary, Activate NICHED
(FINAL) Composite -1, -1 MULTIPLY
 
 
Letters in parentheses are names for results.