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diff --git a/pysamples/set_rgb.py b/pysamples/set_rgb.py
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+#Copyright (c) 2009-10, Walter Bender
+
+#Permission is hereby granted, free of charge, to any person obtaining a copy
+#of this software and associated documentation files (the "Software"), to deal
+#in the Software without restriction, including without limitation the rights
+#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#copies of the Software, and to permit persons to whom the Software is
+#furnished to do so, subject to the following conditions:
+
+#The above copyright notice and this permission notice shall be included in
+#all copies or substantial portions of the Software.
+
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#THE SOFTWARE.
+
+#
+# This procedure is invoked when the user-definable block on the "extras"
+# palette is selected and expanded to 3 arguments.
+
+def myblock(lc, x):
+
+ ###########################################################################
+ #
+ # Set rgb color from values
+ #
+ ###########################################################################
+
+ # assuming x is an array [r, g, b]
+ b = int(x[2])
+ while b < 0:
+ b += 256
+ while b > 255:
+ b -= 256
+ g = int(x[1])
+ while g < 0:
+ g += 256
+ while g > 255:
+ g -= 256
+ r = int(x[0])
+ while r < 0:
+ r += 256
+ while r > 255:
+ r -= 256
+ rgb = "#%02x%02x%02x" % (r,g,b)
+ lc.tw.canvas.fgcolor = lc.tw.canvas.cm.alloc_color(rgb)