diff --git a/src/PIL/_imagingcms.pyi b/src/PIL/_imagingcms.pyi
index e27843e53..9cfd9d191 100644
--- a/src/PIL/_imagingcms.pyi
+++ b/src/PIL/_imagingcms.pyi
@@ -1,3 +1,146 @@
-from typing import Any
+import datetime
+import sys
+from typing import Literal, TypedDict
 
-def __getattr__(name: str) -> Any: ...
+littlecms_version: str
+
+_tuple_3f = tuple[float, float, float]
+_tuple_2x3f = tuple[_tuple_3f, _tuple_3f]
+_tuple_3x3f = tuple[_tuple_3f, _tuple_3f, _tuple_3f]
+_tuple_2x3x3f = tuple[_tuple_3x3f, _tuple_3x3f]
+
+class _IccMeasurementCondition(TypedDict):
+    observer: int
+    backing: _tuple_3f
+    geo: str
+    flare: float
+    illuminant_type: str
+
+class _IccViewingCondition(TypedDict):
+    illuminant: _tuple_3f
+    surround: _tuple_3f
+    illuminant_type: str
+
+class CmsProfile:
+    @property
+    def rendering_intent(self) -> int: ...
+    @property
+    def creation_date(self) -> datetime.datetime | None: ...
+    @property
+    def copyright(self) -> str | None: ...
+    @property
+    def target(self) -> str | None: ...
+    @property
+    def manufacturer(self) -> str | None: ...
+    @property
+    def model(self) -> str | None: ...
+    @property
+    def profile_description(self) -> str | None: ...
+    @property
+    def screening_description(self) -> str | None: ...
+    @property
+    def viewing_condition(self) -> str | None: ...
+    @property
+    def version(self) -> float: ...
+    @property
+    def icc_version(self) -> int: ...
+    @property
+    def attributes(self) -> int: ...
+    @property
+    def header_flags(self) -> int: ...
+    @property
+    def header_manufacturer(self) -> str: ...
+    @property
+    def header_model(self) -> str: ...
+    @property
+    def device_class(self) -> str: ...
+    @property
+    def connection_space(self) -> str: ...
+    @property
+    def xcolor_space(self) -> str: ...
+    @property
+    def profile_id(self) -> bytes: ...
+    @property
+    def is_matrix_shaper(self) -> bool: ...
+    @property
+    def technology(self) -> str | None: ...
+    @property
+    def colorimetric_intent(self) -> str | None: ...
+    @property
+    def perceptual_rendering_intent_gamut(self) -> str | None: ...
+    @property
+    def saturation_rendering_intent_gamut(self) -> str | None: ...
+    @property
+    def red_colorant(self) -> _tuple_2x3f | None: ...
+    @property
+    def green_colorant(self) -> _tuple_2x3f | None: ...
+    @property
+    def blue_colorant(self) -> _tuple_2x3f | None: ...
+    @property
+    def red_primary(self) -> _tuple_2x3f | None: ...
+    @property
+    def green_primary(self) -> _tuple_2x3f | None: ...
+    @property
+    def blue_primary(self) -> _tuple_2x3f | None: ...
+    @property
+    def media_white_point_temperature(self) -> float | None: ...
+    @property
+    def media_white_point(self) -> _tuple_2x3f | None: ...
+    @property
+    def media_black_point(self) -> _tuple_2x3f | None: ...
+    @property
+    def luminance(self) -> _tuple_2x3f | None: ...
+    @property
+    def chromatic_adaptation(self) -> _tuple_2x3x3f | None: ...
+    @property
+    def chromaticity(self) -> _tuple_3x3f | None: ...
+    @property
+    def colorant_table(self) -> list[str] | None: ...
+    @property
+    def colorant_table_out(self) -> list[str] | None: ...
+    @property
+    def intent_supported(self) -> dict[int, tuple[bool, bool, bool]] | None: ...
+    @property
+    def clut(self) -> dict[int, tuple[bool, bool, bool]] | None: ...
+    @property
+    def icc_measurement_condition(self) -> _IccMeasurementCondition | None: ...
+    @property
+    def icc_viewing_condition(self) -> _IccViewingCondition | None: ...
+    def is_intent_supported(self, intent: int, direction: int, /) -> int: ...
+
+class CmsTransform:
+    @property
+    def inputMode(self) -> str: ...
+    @property
+    def outputMode(self) -> str: ...
+    def apply(self, id_in: int, id_out: int) -> int: ...
+
+def profile_open(profile: str, /) -> CmsProfile: ...
+def profile_frombytes(profile: bytes, /) -> CmsProfile: ...
+def profile_tobytes(profile: CmsProfile, /) -> bytes: ...
+def buildTransform(
+    input_profile: CmsProfile,
+    output_profile: CmsProfile,
+    in_mode: str,
+    out_mode: str,
+    rendering_intent: int = 0,
+    cms_flags: int = 0,
+    /,
+) -> CmsTransform: ...
+def buildProofTransform(
+    input_profile: CmsProfile,
+    output_profile: CmsProfile,
+    proof_profile: CmsProfile,
+    in_mode: str,
+    out_mode: str,
+    rendering_intent: int = 0,
+    proof_intent: int = 0,
+    cms_flags: int = 0,
+    /,
+) -> CmsTransform: ...
+def createProfile(
+    color_space: Literal["LAB", "XYZ", "sRGB"], color_temp: float = 0.0, /
+) -> CmsProfile: ...
+
+if sys.platform == "win32":
+    def get_display_profile_win32(handle: int = 0, is_dc: int = 0, /) -> str | None: ...