AILab_ColorInput Node Documentation

Overview

The AILab_ColorInput node is a utility node designed for defining colors within the ComfyUI framework. This node allows users to select colors from a predefined set of color presets or to manually input a custom hex color code. The color generated by this node can then be used in various image processing tasks, such as image overlays, background coloring, and more.

Node Functionality

1. Color Selection: Users can either choose a color from the predefined list of color presets or enter a custom color code.
2. Output Format: The node outputs the color as a hex code string, which can be used as an input for other nodes that require color specifications.

Inputs

The AILab_ColorInput node accepts the following inputs:

• Preset: A dropdown selection allowing the user to choose from a list of predefined colors. These presets include common colors like black, white, red, green, blue, etc.
• Color: A string input where the user can manually enter a custom color code in hex format (e.g., #FF0000 for red or #F00 which is a shorthand).

Outputs

The node produces a single output:

• COLOR: A color represented as a hex code string. This output can be passed to other nodes that require color information.

Usage in ComfyUI Workflows

The AILab_ColorInput node is typically used in workflows where specific colors need to be specified programmatically. Some common use cases include:

• Background Coloring: When a node needs a specific background color, the color from AILab_ColorInput can be inputted to that node.
• Mask and Overlay Operations: In image processing, the color output of this node can be used to define overlay colors when combining masks and images.
• Text and Graphics Rendering: When adding text or graphics that require a color specification, this node can supply the required color input.

Special Features and Considerations

• Color Presets: The node includes a wide range of built-in color presets, making it easy for users to pick standard colors without needing to remember hex codes.
• Custom Formats: The node allows for custom color specifications using hex code formats, which are validated and corrected if needed for consistency.
• Error Handling: The node checks for valid input colors and ensures they are formatted correctly as hex codes, providing user-friendly feedback if a code is not valid.

This node integrates seamlessly within the ComfyUI ecosystem, simplifying tasks that involve color configuration and usage. It supports flexibility in color selection while ensuring compatibility with other nodes in a workflow.