For the color-space of SRGB, the component values must be r,g,b, where r is the red component value, g is the green component value, and b is the blue component value. Each component value must be in the range 0 through 255, inclusive. 255 represents maximum display intensity. For example, 255,0,0 specifies the color red.The default is dependent upon the context of where the color is used; the default color is determined by the object enclosing the color object.