diff --git a/plotter.py b/plotter.py
index 7f27afc..1511bd9 100644
--- a/plotter.py
+++ b/plotter.py
@@ -1125,6 +1125,12 @@ class Plotter(Aggregator, BaseProcessor):
         if color is None and colors is not None:
             if nml_color is None:
                 color = colors[run]
+            elif nml_color == "time":
+                time = (
+                    self.current_processor.time
+                    * self.current_processor.info["unit_time"]
+                ).express(unit_time)
+                color = colors(time)
             else:
                 nml = self.study.get_nml(nml_color, run)
                 try: