diff --git a/shlax/colors.py b/shlax/colors.py
index 3144986..53c53c2 100644
--- a/shlax/colors.py
+++ b/shlax/colors.py
@@ -9,8 +9,8 @@ colors = dict(
     blue3='\u001b[38;5;81m',
     blue4='\u001b[38;5;111m',
     blue5='\u001b[38;5;27m',
-    green='\u001b[38;5;2m',
-    green1='\u001b[38;5;10m',
+    green='\u001b[38;5;10m',
+    green1='\u001b[38;5;2m',
     green2='\u001b[38;5;46m',
     green3='\u001b[38;5;47m',
     green4='\u001b[38;5;48m',
@@ -61,3 +61,8 @@ colors = dict(
     orange5='\u001b[38;5;166m',
     reset='\u001b[0m',
 )
+
+colors.update({
+    k + 'bold': v.replace('[', '[1;')
+    for k, v in colors.items()
+})
diff --git a/shlax/output.py b/shlax/output.py
index 6ab1adb..259a221 100644
--- a/shlax/output.py
+++ b/shlax/output.py
@@ -89,24 +89,24 @@ class Output:
 
     def start(self, action):
         self(''.join([
-            self.colors['orange'],
-            '[!] START ',
+            self.colors['orangebold'],
+            '⚠ START ',
             self.colors['reset'],
             action.colorized(),
         ]))
 
     def success(self, action):
         self(''.join([
-            self.colors['green'],
-            '[√] SUCCESS ',
+            self.colors['greenbold'],
+            '✔ SUCCESS ',
             self.colors['reset'],
             action.colorized(),
         ]))
 
     def fail(self, action, exception=None):
         self(''.join([
-            self.colors['red'],
-            '[x] FAIL ',
+            self.colors['redbold'],
+            '✘ FAIL ',
             self.colors['reset'],
             action.colorized(),
         ]))
diff --git a/shlax/targets/buildah.py b/shlax/targets/buildah.py
index ee6e4cf..d3cd458 100644
--- a/shlax/targets/buildah.py
+++ b/shlax/targets/buildah.py
@@ -124,6 +124,9 @@ class Buildah(Localhost):
         cli.exit_code = await proc.wait()
 
     async def commit(self):
+        if not self.image:
+            return
+
         self.sha = (await self.exec(
             'buildah',
             'commit',