LayerUtility: ColorName Node Documentation

Overview

The LayerUtility: ColorName node is a component in the ComfyUI framework that maps a provided RGB color code to a human-readable color name. It achieves this by comparing the RGB value to a predefined set of colors in a specified palette. This node can be used in workflows where understanding or displaying color names, rather than just their numerical values, is beneficial.

Node Functionality

The primary function of the LayerUtility: ColorName node is to convert an RGB color code into a recognizable color name from a specified palette of color names. It aims to provide the closest match based on the color tables available.

Inputs

The LayerUtility: ColorName node accepts the following inputs:

• Color (Required):
  • Type: STRING
  • Description: An RGB color code in the form of a hex string (e.g., #000000 for black).
  • Default: #000000 (Black)
• Palette (Required):
  • Type: Enumational list of available palettes
  • Description: The palette from which the color name should be derived. Options include:
    • xkcd
    • wiki_color
    • flux_sdxl
    • css4
    • css3
    • html4

Outputs

The output from this node is:

• Color Name (STRING):
  • A human-readable name of the color that best matches the provided RGB value from the selected palette.

Usage in ComfyUI Workflows

In ComfyUI workflows, the LayerUtility: ColorName node can be used for:

1. Visualization and Display:

   • By converting RGB values to names, users can create more intuitive interfaces where colors are referred by familiar names, making it easier for end-users to comprehend.

2. Data Analysis and Reporting:

   • When generating reports or analyzing graphical data, using color names can enhance understanding by providing a qualitative description rather than purely quantitative data (e.g., comparing #FF0000 to "Red").

3. User Inputs and Outputs:

   • Allowing users to input color names rather than codes and then processing these names to generate targeted outputs.

4. Design and Prototyping:

   • Designers can use this node to quickly retrieve color names for designs, which might be required when discussing design elements with non-technical stakeholders.

Special Features and Considerations

• Closest Match Logic:

  • The node selects the closest matching color name from the provided palette by comparing RGB values. This is particularly useful when the exact match isn't found.

• Ready-to-Use Palettes:

  • The node supports a variety of palettes, which cater to different standards and naming conventions, offering flexibility depending on the context (e.g., web design, standard design conventions, etc.).

• Default Color Handling:

  • While the primary goal is to match colors within a palette, the node handles cases where a color might not be directly available by providing the closest match.

This node is a versatile addition to the ComfyUI, particularly useful for enhancing user experience and communication through color naming. By integrating this node, users can bridge technical data with human-friendly descriptions, making information more accessible across different levels of expertise.