Determines if a given RGBColor object is within the sRGB color space.
The sRGB color space is defined by having red (r), green (g), and blue (b) components
in the range of 0 to 1, inclusive. Additionally, if an alpha component is defined,
it must also be within the range of 0 to 1, inclusive.
Determines if a given RGBColor object is within the sRGB color space.
The sRGB color space is defined by having red (r), green (g), and blue (b) components in the range of 0 to 1, inclusive. Additionally, if an alpha component is defined, it must also be within the range of 0 to 1, inclusive.