color names in 'set color' command

src/colors.py

@@ -2,10 +2,10 @@
 def closest_color(rgb,names):
     name=""
     mindist=float('inf')
-    for i in range(len(names)):
-        dist=(rgb[0]-names[i][1])**2+(rgb[1]-names[i][2])**2+(rgb[2]-names[i][3])**2
+    for color in names:
+        dist=(rgb[0]-color[1])**2+(rgb[1]-color[2])**2+(rgb[2]-color[3])**2
         if dist<mindist:
-            name=names[i][0]
+            name=color[0]
             mindist=dist
     return name