GIMP Palette
Name: Web Grays Plus
Columns: 1
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  0   0   0	Untitled
 51  51  51	Untitled
102 102 102	Untitled
128 128 128	Untitled
153 153 153	Untitled
192 192 192	Untitled
204 204 204	Untitled
255 255 255	Untitled