1 files changed, 7 insertions, 2 deletions
diff --git a/imgrid.py b/imgrid.py
index 86597bb..2dfe5bb 100755
--- a/imgrid.py
+++ b/imgrid.py
@@ -31,6 +31,11 @@ DEFAULT_LINE_COLOR = "silver"
 DEFAULT_FINALFORMAT = "png"
 
 #{{{Utility functions
+def is_color(s):
+  if re.match('(rgba?\([0-9]+,[0-9]+,[0-9]+\))|([a-zA-Z]+)|(\#[A-Ha-h0-9]+)', s):
+    return s
+  else:
+    raise ValueError
 def bool_correct(s):
     if re.match(r'^false$', s, re.IGNORECASE):
         return False
@@ -169,8 +174,8 @@ class Imgrid():
                     except Exception as e:
                         sys.stderr.write(str(e))
                         raise;
-                elif k in [ 'bgcolor', 'planebgcolor' ]:
-                    self.params[k] = params[k]
+                elif k in [ 'bgcolor', 'planebgcolor','linecolor' ]:
+                    self.params[k] = is_color(params[k])
                 elif k == 'opacity':
                     self.params[k] = str(float(params[k]))
                 elif k == 'zoom':