diff --git a/pywal/sequences.py b/pywal/sequences.py
index e099e9e..9e7a3dc 100644
--- a/pywal/sequences.py
+++ b/pywal/sequences.py
@@ -3,14 +3,17 @@ Send sequences to all open terminals.
 """
 import glob
 
-from .settings import CACHE_DIR
+from .settings import CACHE_DIR, OS
 from . import util
 
 
-def set_special(index, color):
+def set_special(index, color, iterm_name="h"):
     """Convert a hex color to a special sequence."""
     alpha = util.Color.alpha_num
 
+    if OS == "Darwin":
+        return f"\033]P{iterm_name}{color.strip('#')}\033\\"
+
     if index in [11, 708] and alpha != 100:
         return f"\033]{index};[{alpha}]{color}\007"
 
@@ -19,6 +22,9 @@ def set_special(index, color):
 
 def set_color(index, color):
     """Convert a hex color to a text color sequence."""
+    if OS == "Darwin":
+        return f"\033]P{index:x}{color.strip('#')}\033\\"
+
     return f"\033]4;{index};{color}\007"
 
 
@@ -32,10 +38,10 @@ def create_sequences(colors, vte):
     # Source: https://goo.gl/KcoQgP
     # 10 = foreground, 11 = background, 12 = cursor foregound
     # 13 = mouse foreground
-    sequences.append(set_special(10, colors["special"]["foreground"]))
-    sequences.append(set_special(11, colors["special"]["background"]))
-    sequences.append(set_special(12, colors["special"]["cursor"]))
-    sequences.append(set_special(13, colors["special"]["cursor"]))
+    sequences.append(set_special(10, colors["special"]["foreground"], "g"))
+    sequences.append(set_special(11, colors["special"]["background"], "h"))
+    sequences.append(set_special(12, colors["special"]["cursor"], "l"))
+    sequences.append(set_special(13, colors["special"]["cursor"], "l"))
 
     # Set a blank color that isn't affected by bold highlighting.
     # Used in wal.vim's airline theme.
@@ -52,8 +58,14 @@ def send(colors, vte, cache_dir=CACHE_DIR):
     """Send colors to all open terminals."""
     sequences = create_sequences(colors, vte)
 
+    if OS == "Darwin":
+        tty_pattern = "/dev/ttys00[0-9]*"
+
+    else:
+        tty_pattern = "/dev/pts/[0-9]*"
+
     # Writing to "/dev/pts/[0-9] lets you send data to open terminals.
-    for term in glob.glob("/dev/pts/[0-9]*"):
+    for term in glob.glob(tty_pattern):
         util.save_file(sequences, term)
 
     util.save_file(sequences, cache_dir / "sequences")
diff --git a/pywal/settings.py b/pywal/settings.py
index 812c050..a58930a 100644
--- a/pywal/settings.py
+++ b/pywal/settings.py
@@ -10,6 +10,7 @@ Created by Dylan Araps.
 """
 
 import pathlib
+import platform
 
 
 __version__ = "0.5.7"
@@ -19,3 +20,4 @@ HOME = pathlib.Path.home()
 CACHE_DIR = HOME / ".cache/wal/"
 MODULE_DIR = pathlib.Path(__file__).parent
 COLOR_COUNT = 16
+OS = platform.uname()[0]