diff --git a/src/jupyter_contrib_nbextensions/nbextensions/runtools/gutter.css b/src/jupyter_contrib_nbextensions/nbextensions/runtools/gutter.css
index 1e30b9f..cebc4a9 100644
--- a/src/jupyter_contrib_nbextensions/nbextensions/runtools/gutter.css
+++ b/src/jupyter_contrib_nbextensions/nbextensions/runtools/gutter.css
@@ -1,3 +1,3 @@
 .CodeMirror-cellstate {
-  width: 0.2em;
+  width: 0.5em;
 }
diff --git a/src/jupyter_contrib_nbextensions/nbextensions/runtools/runtools.yaml b/src/jupyter_contrib_nbextensions/nbextensions/runtools/runtools.yaml
index 79c9b9f..b4ac619 100644
--- a/src/jupyter_contrib_nbextensions/nbextensions/runtools/runtools.yaml
+++ b/src/jupyter_contrib_nbextensions/nbextensions/runtools/runtools.yaml
@@ -45,15 +45,15 @@ Parameters:
 - name: runtools.marked_color
   description: |
     Color for marking a codecell
-  default: '#0f0'
+  default: '#20f224'
   input_type: color
 - name: runtools.scheduled_color
   description: |
     Color when a codecell is scheduled to be rund
-  default: '#00f'
+  default: '#00def0'
   input_type: color
 - name: runtools.run_color
   description: |
     Color while a codecell is being run
-  default: '#f5f5f5'
+  default: '#f30a2d'
   input_type: color