Tux Paint "Magic" Tool: 「ひほうわ」

                              Group: Color Filters

               Author: Bill Kendrick <bill@newbreedsoftware.com>

   This desaturates the colors wherever you drag the mouse. (Do it to the
   same spot many times, and it will eventually become greyscale.)

   See also: 「ほうわ」, Darken, Lighten, Tint, 「だっしょく」, & 「いろのこし」.

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                                Tux Paint 0.9.30