diff --git a/src/pybricks/parameters.pyi b/src/pybricks/parameters.pyi
index 3020481..fd3262c 100644
--- a/src/pybricks/parameters.pyi
+++ b/src/pybricks/parameters.pyi
@@ -1,6 +1,8 @@
 # SPDX-License-Identifier: MIT
 # Copyright (c) 2020 The Pybricks Authors
 
+from geometry import Matrix
+
 class Color:
     BLACK: Color
     BLUE: Color
@@ -15,6 +17,8 @@ class Color:
     VIOLET: Color
     WHITE: Color
     YELLOW: Color
+    def __init__(self, h: int, s: int = 100, v: int = 100): ...
+    def __eq__(self, other: "Color") -> bool: ...
     def __mul__(self, scale: float) -> Color: ...
     def __rmul__(self, scale: float) -> Color: ...
     def __truediv__(self, scale: float) -> Color: ...
@@ -25,6 +29,8 @@ class Port:
     B: Port
     C: Port
     D: Port
+    E: Port
+    F: Port
     S1: Port
     S2: Port
     S3: Port
@@ -63,3 +69,41 @@ class Side:
     LEFT: Side
     BACK: Side
     BOTTOM: Side
+
+class Icon:
+    UP: Matrix
+    DOWN: Matrix
+    LEFT: Matrix
+    RIGHT: Matrix
+    ARROW_RIGHT_UP: Matrix
+    ARROW_RIGHT_DOWN: Matrix
+    ARROW_LEFT_UP: Matrix
+    ARROW_LEFT_DOWN: Matrix
+    ARROW_UP: Matrix
+    ARROW_DOWN: Matrix
+    ARROW_LEFT: Matrix
+    ARROW_RIGHT: Matrix
+    HAPPY: Matrix
+    SAD: Matrix
+    EYE_LEFT: Matrix
+    EYE_RIGHT: Matrix
+    EYE_LEFT_BLINK: Matrix
+    EYE_RIGHT_BLINK: Matrix
+    EYE_RIGHT_BROW: Matrix
+    EYE_LEFT_BROW: Matrix
+    EYE_LEFT_BROW_UP: Matrix
+    EYE_RIGHT_BROW_UP: Matrix
+    HEART: Matrix
+    PAUSE: Matrix
+    EMPTY: Matrix
+    FULL: Matrix
+    SQUARE: Matrix
+    TRIANGLE_RIGHT: Matrix
+    TRIANGLE_LEFT: Matrix
+    TRIANGLE_UP: Matrix
+    TRIANGLE_DOWN: Matrix
+    CIRCLE: Matrix
+    CLOCKWISE: Matrix
+    COUNTERCLOCKWISE: Matrix
+    TRUE: Matrix
+    FALSE: Matrix