use bg-mpl-stylesheets colors in plots (not rest of style)

Author: sbillinge

Diff for: news/colors.rst

@@ -0,0 +1,23 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* Plots now use colors from the billinge-group matplotlib stylesheet, bg-mpl-stylesheets
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>

Diff for: src/diffpy/pdfgui/gui/extendedplotframe.py

@@ -268,9 +268,9 @@ def __translateStyles(self, style):
             "triangle": "^",
         }
         colorDict = {
-            "blue": "b",
-            "green": "g",
-            "red": "r",
+            "blue": "#0B3C5D",
+            "green": "#1C6B0A",
+            "red": "#B82601",
             "cyan": "c",
             "magenta": "m",
             "yellow": "y",