diff --git a/src/wireviz/DataClasses.py b/src/wireviz/DataClasses.py
index a9ce303f..35003075 100644
--- a/src/wireviz/DataClasses.py
+++ b/src/wireviz/DataClasses.py
@@ -96,6 +96,7 @@ class Connector:
     notes: Optional[MultilineHypertext] = None
     pinlabels: List[Pin] = field(default_factory=list)
     pins: List[Pin] = field(default_factory=list)
+    pincolors: List[Color] = field(default_factory=list)
     color: Optional[Color] = None
     show_name: Optional[bool] = None
     show_pincount: Optional[bool] = None
@@ -119,23 +120,14 @@ def __post_init__(self) -> None:
                 raise Exception('Connectors with style set to simple may only have one pin')
             self.pincount = 1
 
-        if self.pincount is None:
-            if self.pinlabels:
-                self.pincount = len(self.pinlabels)
-            elif self.pins:
-                self.pincount = len(self.pins)
-            else:
-                raise Exception('You need to specify at least one, pincount, pins or pinlabels')
-
-        if self.pinlabels and self.pins:
-            if len(self.pinlabels) != len(self.pins):
-                raise Exception('Given pins and pinlabels size mismatch')
+        if not self.pincount:
+            self.pincount = max(len(self.pins), len(self.pinlabels), len(self.pincolors))
+            if not self.pincount:
+                raise Exception('You need to specify at least one, pincount, pins, pinlabels, or pincolors')
 
-        # create default lists for pins (sequential) and pinlabels (blank) if not specified
+        # create default list for pins (sequential) if not specified
         if not self.pins:
             self.pins = list(range(1, self.pincount + 1))
-        if not self.pinlabels:
-            self.pinlabels = [''] * self.pincount
 
         if len(self.pins) != len(set(self.pins)):
             raise Exception('Pins are not unique')
diff --git a/src/wireviz/Harness.py b/src/wireviz/Harness.py
index 835ed651..be8cf1a5 100644
--- a/src/wireviz/Harness.py
+++ b/src/wireviz/Harness.py
@@ -12,6 +12,7 @@
 from collections import Counter
 from typing import List, Union
 from pathlib import Path
+from itertools import zip_longest
 import re
 
 
@@ -110,7 +111,7 @@ def create_graph(self) -> Graph:
                 pinhtml = []
                 pinhtml.append('<table border="0" cellspacing="0" cellpadding="3" cellborder="1">')
 
-                for pin, pinlabel in zip(connector.pins, connector.pinlabels):
+                for pin, pinlabel, pincolor in zip_longest(connector.pins, connector.pinlabels, connector.pincolors):
                     if connector.hide_disconnected_pins and not connector.visible_pins.get(pin, False):
                         continue
                     pinhtml.append('   <tr>')
@@ -118,6 +119,17 @@ def create_graph(self) -> Graph:
                         pinhtml.append(f'    <td port="p{pin}l">{pin}</td>')
                     if pinlabel:
                         pinhtml.append(f'    <td>{pinlabel}</td>')
+                    if connector.pincolors:
+                        if pincolor in wv_colors._color_hex.keys():
+                            pinhtml.append(f'    <td sides="tbl">{pincolor}</td>')
+                            pinhtml.append( '    <td sides="tbr">')
+                            pinhtml.append( '     <table border="0" cellborder="1"><tr>')
+                            pinhtml.append(f'      <td bgcolor="{wv_colors.translate_color(pincolor, "HEX")}" width="8" height="8" fixedsize="true"></td>')
+                            pinhtml.append( '     </tr></table>')
+                            pinhtml.append( '    </td>')
+                        else:
+                            pinhtml.append( '    <td colspan="2"></td>')
+
                     if connector.ports_right:
                         pinhtml.append(f'    <td port="p{pin}r">{pin}</td>')
                     pinhtml.append('   </tr>')