From 7bb986baa2af4840359dd8e4567302e9eb5d1a30 Mon Sep 17 00:00:00 2001
From: Michael Dawson-Haggerty <mikedh@kerfed.com>
Date: Sun, 19 Jan 2025 13:19:18 -0500
Subject: [PATCH] tuples arent arraylike

---
 trimesh/visual/color.py | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/trimesh/visual/color.py b/trimesh/visual/color.py
index 908f0d745..45022cdca 100644
--- a/trimesh/visual/color.py
+++ b/trimesh/visual/color.py
@@ -29,7 +29,16 @@
 from .. import caching, util
 from ..constants import tol
 from ..grouping import unique_rows
-from ..typed import ArrayLike, DTypeLike, Integer, Iterable, NDArray, Optional, Union
+from ..typed import (
+    ArrayLike,
+    DTypeLike,
+    Integer,
+    Iterable,
+    NDArray,
+    Optional,
+    Tuple,
+    Union,
+)
 from .base import Visuals
 
 
@@ -562,7 +571,9 @@ def __hash__(self):
         return self._colors.__hash__()
 
 
-def to_rgba(colors: Optional[ArrayLike], dtype: DTypeLike = np.uint8) -> NDArray:
+def to_rgba(
+    colors: Union[ArrayLike, None, Tuple], dtype: DTypeLike = np.uint8
+) -> NDArray:
     """
     Convert a single or multiple RGB colors to RGBA colors.