ColorRGBToHLS function (shlwapi.h)

Converts colors from RGB to hue-luminance-saturation (HLS) format.

Syntax

void ColorRGBToHLS(
        COLORREF clrRGB,
  [out] WORD     *pwHue,
  [out] WORD     *pwLuminance,
  [out] WORD     *pwSaturation
);

clrRGB

Type: COLORREF

The original RGB color.

[out] pwHue

Type: WORD*

A pointer to a value that, when this method returns successfully, receives the HLS hue value. Can range from 0 to 240.

[out] pwLuminance

Type: WORD*

A pointer to a value that, when this method returns successfully, receives the HLS luminance value. Can range from 0 to 240.

[out] pwSaturation

Type: WORD*

A pointer to a value that, when this method returns successfully, receives the HLS saturation value. Can range from 0 to 240.

None

Requirement	Value
Minimum supported client	Windows 2000 Professional, Windows XP [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	shlwapi.h
Library	Shlwapi.lib
DLL	Shlwapi.dll (version 5.0 or later)

Events

May 19, 6 PM - May 23, 12 AM

Calling all developers, creators, and AI innovators to join us in Seattle @Microsoft Build May 19-22.