ColorToRGBInt - ComfyUI Built-in Node Documentation - ComfyUI

The ColorToRGBInt node converts a color given in hexadecimal format (like #FF5733) into a single RGB integer value. It extracts the red, green, and blue components from the color string, combines them into one integer, and also returns the original hexadecimal representation and the alpha (opacity) value.

Inputs

Parameter	Description	Data Type	Required	Range
`color`	A color value in the hexadecimal format `#RRGGBB` or `#RRGGBBAA`. Must be 7 or 9 characters long and start with `#`.	COLOR	Yes	`#RRGGBB` `#RRGGBBAA`

Note: The input color string must follow the format #RRGGBB or #RRGGBBAA. If it is not 7 or 9 characters long, does not start with #, or contains invalid hexadecimal characters, the node raises an error.

Outputs

Output Name	Description	Data Type
`rgb_int`	The calculated RGB integer value, derived from the formula: `(Red * 65536) + (Green * 256) + Blue`.	INT
`hex`	The hexadecimal color string in the format `#RRGGBB`. If the input included an alpha channel, it is removed from this output.	COLOR
`alpha`	The alpha (opacity) value between 0.0 and 1.0. Equals 1.0 when the input is `#RRGGBB`, or the alpha channel value divided by 255 when the input is `#RRGGBBAA`.	FLOAT

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