diff --git a/jc/cli.py b/jc/cli.py
index fb4d3d05..8ab718e5 100644
--- a/jc/cli.py
+++ b/jc/cli.py
@@ -140,6 +140,7 @@ else:
         'white': 'ansiwhite',
     }
 
+
 def set_env_colors():
     """
     Grab custom colors from JC_COLORS environment variable. JC_COLORS env variable takes 4 comma
@@ -179,10 +180,10 @@ def set_env_colors():
 
     # Try the color set in the JC_COLORS env variable first. If it is set to default, then fall back to default colors
     return {
-        Name.Tag: f'bold {PYGMENT_COLOR[color_list[0]]}' if not color_list[0] == 'default' else 'bold ' + PYGMENT_COLOR['blue'],   # key names
-        Keyword: PYGMENT_COLOR[color_list[1]] if not color_list[1] == 'default' else PYGMENT_COLOR['brightblack'],       # true, false, null
-        Number: PYGMENT_COLOR[color_list[2]] if not color_list[2] == 'default' else PYGMENT_COLOR['magenta'],            # numbers
-        String: PYGMENT_COLOR[color_list[3]] if not color_list[3] == 'default' else PYGMENT_COLOR['green']               # strings
+        Name.Tag: f'bold {PYGMENT_COLOR[color_list[0]]}' if not color_list[0] == 'default' else f"bold {PYGMENT_COLOR['blue']}",   # key names
+        Keyword: PYGMENT_COLOR[color_list[1]] if not color_list[1] == 'default' else PYGMENT_COLOR['brightblack'],                 # true, false, null
+        Number: PYGMENT_COLOR[color_list[2]] if not color_list[2] == 'default' else PYGMENT_COLOR['magenta'],                      # numbers
+        String: PYGMENT_COLOR[color_list[3]] if not color_list[3] == 'default' else PYGMENT_COLOR['green']                         # strings
     }