diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index 51d6e8466..607522023 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -2374,7 +2374,14 @@ def new(mode, size, color=0):
         from . import ImageColor
         color = ImageColor.getcolor(color, mode)
 
-    return Image()._new(core.fill(mode, size, color))
+    im = Image()
+    if mode == "P" and \
+       isinstance(color, (list, tuple)) and len(color) in [3, 4]:
+        # RGB or RGBA value for a P image
+        from . import ImagePalette
+        im.palette = ImagePalette.ImagePalette()
+        color = im.palette.getcolor(color)
+    return im._new(core.fill(mode, size, color))
 
 
 def frombytes(mode, size, data, decoder_name="raw", *args):

Error in Image.new
After update to 3.2.0 I have broken test in my project with error.

``` python
from PIL import Image

Image.new('P', (200, 200), color='#DDEEFF')

ERROR:
  File "/home/igor/.virtualenvs/dju-image/local/lib/python2.7/site-packages/PIL/Image.py", line 2036, in new
    return Image()._new(core.fill(mode, size, color))
TypeError: function takes exactly 1 argument (3 given)
```

diff --git a/Tests/test_image.py b/Tests/test_image.py
index 330048057..07d57909f 100644
--- a/Tests/test_image.py
+++ b/Tests/test_image.py
@@ -522,6 +522,16 @@ class TestImage(PillowTestCase):
         _make_new(im, blank_p, ImagePalette.ImagePalette())
         _make_new(im, blank_pa, ImagePalette.ImagePalette())
 
+    def test_p_from_rgb_rgba(self):
+        for mode, color in [
+            ("RGB", '#DDEEFF'),
+            ("RGB", (221, 238, 255)),
+            ("RGBA", (221, 238, 255, 255))
+        ]:
+            im = Image.new("P", (100, 100), color)
+            expected = Image.new(mode, (100, 100), color)
+            self.assert_image_equal(im.convert(mode), expected)
+
     def test_no_resource_warning_on_save(self):
         # https://github.com/python-pillow/Pillow/issues/835
         # Arrange

pip install -e .[dev]
parse_log_pytest
requirements.txt
apt-get update apt-get install -y gcc libjpeg-dev zlib1g-dev libtiff5-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev libharfbuzz-dev libfribidi-dev libxcb1-dev
3.9
requirements.txt
pytest --no-header -rA --tb=line --color=no -p no:cacheprovider -W ignore::DeprecationWarning
alabaster==0.7.16
babel==2.17.0
blessed==1.20.0
build==1.2.2.post1
certifi==2025.1.31
charset-normalizer==3.4.1
check-manifest==0.50
cov-core==1.15.0
coverage==7.8.0
coveralls==4.0.1
docopt==0.6.2
docutils==0.21.2
exceptiongroup==1.2.2
idna==3.10
imagesize==1.4.1
importlib_metadata==8.6.1
iniconfig==2.1.0
jarn.viewdoc==2.7
Jinja2==3.1.6
MarkupSafe==3.0.2
olefile==0.47
packaging==24.2
-e git+https://github.com/python-pillow/Pillow.git@21ff4114bd285a42ccbc53be5441b014f95f72fc#egg=Pillow
pluggy==1.5.0
pycodestyle==2.13.0
pyflakes==3.3.1
Pygments==2.19.1
pyproject_hooks==1.2.0
pyroma==4.2
pytest==8.3.5
pytest-cov==6.0.0
pytz==2025.2
requests==2.32.3
six==1.17.0
snowballstemmer==2.2.0
Sphinx==7.4.7
sphinx-rtd-theme==3.0.2
sphinxcontrib-applehelp==2.0.0
sphinxcontrib-devhelp==2.0.0
sphinxcontrib-htmlhelp==2.1.0
sphinxcontrib-jquery==4.1
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==2.0.0
sphinxcontrib-serializinghtml==2.0.0
tomli==2.2.1
trove-classifiers==2025.3.19.19
urllib3==2.3.0
wcwidth==0.2.13
zipp==3.21.0

name: Pillow
channels:
  - defaults
  - https://repo.anaconda.com/pkgs/main
  - https://repo.anaconda.com/pkgs/r
  - conda-forge
dependencies:
  - _libgcc_mutex=0.1=main
  - _openmp_mutex=5.1=1_gnu
  - ca-certificates=2025.2.25=h06a4308_0
  - ld_impl_linux-64=2.40=h12ee557_0
  - libffi=3.4.4=h6a678d5_1
  - libgcc-ng=11.2.0=h1234567_1
  - libgomp=11.2.0=h1234567_1
  - libstdcxx-ng=11.2.0=h1234567_1
  - ncurses=6.4=h6a678d5_0
  - openssl=3.0.16=h5eee18b_0
  - pip=25.0=py39h06a4308_0
  - python=3.9.21=he870216_1
  - readline=8.2=h5eee18b_0
  - setuptools=75.8.0=py39h06a4308_0
  - sqlite=3.45.3=h5eee18b_0
  - tk=8.6.14=h39e8969_0
  - tzdata=2025a=h04d1e81_0
  - wheel=0.45.1=py39h06a4308_0
  - xz=5.6.4=h5eee18b_1
  - zlib=1.2.13=h5eee18b_1
  - pip:
      - alabaster==0.7.16
      - babel==2.17.0
      - blessed==1.20.0
      - build==1.2.2.post1
      - certifi==2025.1.31
      - charset-normalizer==3.4.1
      - check-manifest==0.50
      - cov-core==1.15.0
      - coverage==7.8.0
      - coveralls==4.0.1
      - docopt==0.6.2
      - docutils==0.21.2
      - exceptiongroup==1.2.2
      - idna==3.10
      - imagesize==1.4.1
      - importlib-metadata==8.6.1
      - iniconfig==2.1.0
      - jarn-viewdoc==2.7
      - jinja2==3.1.6
      - markupsafe==3.0.2
      - olefile==0.47
      - packaging==24.2
      - pluggy==1.5.0
      - pycodestyle==2.13.0
      - pyflakes==3.3.1
      - pygments==2.19.1
      - pyproject-hooks==1.2.0
      - pyroma==4.2
      - pytest==8.3.5
      - pytest-cov==6.0.0
      - pytz==2025.2
      - requests==2.32.3
      - six==1.17.0
      - snowballstemmer==2.2.0
      - sphinx==7.4.7
      - sphinx-rtd-theme==3.0.2
      - sphinxcontrib-applehelp==2.0.0
      - sphinxcontrib-devhelp==2.0.0
      - sphinxcontrib-htmlhelp==2.1.0
      - sphinxcontrib-jquery==4.1
      - sphinxcontrib-jsmath==1.0.1
      - sphinxcontrib-qthelp==2.0.0
      - sphinxcontrib-serializinghtml==2.0.0
      - tomli==2.2.1
      - trove-classifiers==2025.3.19.19
      - urllib3==2.3.0
      - wcwidth==0.2.13
      - zipp==3.21.0
prefix: /opt/conda/envs/Pillow

Tests/test_image.py::TestImage::test_p_from_rgb_rgba
Tests/test_image.py::TestImage::test_no_resource_warning_on_save
Tests/test_image.py::TestImage::test__new Tests/test_image.py::TestImage::test_alpha_composite Tests/test_image.py::TestImage::test_alpha_inplace Tests/test_image.py::TestImage::test_bad_mode Tests/test_image.py::TestImage::test_check_size Tests/test_image.py::TestImage::test_comparison_with_other_type Tests/test_image.py::TestImage::test_dump Tests/test_image.py::TestImage::test_effect_mandelbrot Tests/test_image.py::TestImage::test_effect_mandelbrot_bad_arguments Tests/test_image.py::TestImage::test_effect_noise Tests/test_image.py::TestImage::test_effect_spread Tests/test_image.py::TestImage::test_expand_x Tests/test_image.py::TestImage::test_expand_xy Tests/test_image.py::TestImage::test_fp_name Tests/test_image.py::TestImage::test_fromstring Tests/test_image.py::TestImage::test_getbands Tests/test_image.py::TestImage::test_getbbox Tests/test_image.py::TestImage::test_getchannel Tests/test_image.py::TestImage::test_getchannel_wrong_params Tests/test_image.py::TestImage::test_image_modes_fail Tests/test_image.py::TestImage::test_image_modes_success Tests/test_image.py::TestImage::test_internals Tests/test_image.py::TestImage::test_invalid_image Tests/test_image.py::TestImage::test_linear_gradient Tests/test_image.py::TestImage::test_linear_gradient_wrong_mode Tests/test_image.py::TestImage::test_ne Tests/test_image.py::TestImage::test_offset_not_implemented Tests/test_image.py::TestImage::test_pathlib Tests/test_image.py::TestImage::test_radial_gradient Tests/test_image.py::TestImage::test_radial_gradient_wrong_mode Tests/test_image.py::TestImage::test_register_extensions Tests/test_image.py::TestImage::test_registered_extensions Tests/test_image.py::TestImage::test_registered_extensions_uninitialized Tests/test_image.py::TestImage::test_remap_palette Tests/test_image.py::TestImage::test_sanity Tests/test_image.py::TestImage::test_storage_neg Tests/test_image.py::TestImage::test_tempfile Tests/test_image.py::TestImage::test_unknown_extension Tests/test_image.py::TestImage::test_width_height Tests/test_image.py::TestRegistry::test_encode_registry Tests/test_image.py::TestRegistry::test_encode_registry_fail
src/PIL/Image.py
src/PIL/Image.py