# GmagickPixel::setcolorvalue

(PECL gmagick >= Unknown)

GmagickPixel::setcolorvalue — Sets the normalized value of one of the channels

### Description

public GmagickPixel::setcolorvalue ( int `$color` , float `$value` ) : GmagickPixel

Sets the value of the specified channel of this object to the provided value, which should be between 0 and 1. This function can be used to provide an opacity channel to a GmagickPixel object.

### Parameters

`color`

  One of the Gmagick channel color constants.

`value`

  The value to set this channel to, ranging from 0 to 1.

### Return Values

The GmagickPixel object on success.