ComfyUI > Nodes > ComfyUI-Purz > Color Adjust (Purz)

ComfyUI Node: Color Adjust (Purz)

Class Name

PurzColorAdjust

Category
Purz/Image/Color
Author
purzbeats (Account age: 1545days)
Extension
ComfyUI-Purz
Latest Updated
2026-02-06
Github Stars
0.02K

How to Install ComfyUI-Purz

Install this extension via the ComfyUI Manager by searching for ComfyUI-Purz
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI-Purz in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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Color Adjust (Purz) Description

Enhances image quality by adjusting brightness, contrast, and saturation for aesthetic appeal.

Color Adjust (Purz):

The PurzColorAdjust node is designed to enhance the visual quality of images by allowing you to adjust key color properties such as brightness, contrast, and saturation. This node is particularly beneficial for AI artists who wish to fine-tune the aesthetic appeal of their images, ensuring that the final output aligns with their creative vision. By manipulating these color attributes, you can bring out details, create mood, and emphasize certain elements within an image. The node processes images in batches, making it efficient for handling multiple images simultaneously. Its primary goal is to provide a straightforward yet powerful tool for color correction and enhancement, enabling you to achieve the desired look and feel with ease.

Color Adjust (Purz) Input Parameters:

image

This parameter represents the input image that you want to adjust. It is the starting point for the color adjustment process, and the node will apply the specified brightness, contrast, and saturation changes to this image.

brightness

The brightness parameter controls the overall lightness or darkness of the image. A value of 1.0 means no change, values less than 1.0 will darken the image, and values greater than 1.0 will brighten it. The range for this parameter is from 0.0 to 3.0, with a default value of 1.0. Adjusting brightness can help in highlighting details or setting the mood of the image.

contrast

This parameter adjusts the difference between the darkest and lightest parts of the image. A contrast value of 1.0 indicates no change, values below 1.0 reduce contrast making the image appear flatter, and values above 1.0 increase contrast, enhancing the distinction between light and dark areas. The range is from 0.0 to 3.0, with a default of 1.0. Proper contrast adjustment can make images more vivid and dynamic.

saturation

Saturation affects the intensity of colors in the image. A saturation value of 1.0 means no change, values below 1.0 will desaturate the image making colors appear more muted, and values above 1.0 will increase color intensity. The parameter ranges from 0.0 to 3.0, with a default of 1.0. Adjusting saturation can help in achieving a more vibrant or subdued color palette depending on the artistic intent.

Color Adjust (Purz) Output Parameters:

image

The output is the adjusted image with the applied brightness, contrast, and saturation changes. This image reflects the modifications made based on the input parameters, providing a visually enhanced version of the original input. The output is crucial for evaluating the effectiveness of the adjustments and ensuring that the desired visual outcome is achieved.

Color Adjust (Purz) Usage Tips:

  • Experiment with small increments when adjusting brightness, contrast, and saturation to avoid over-processing the image and maintain a natural look.
  • Use the node in combination with other image processing nodes to achieve more complex effects and refine the overall appearance of your artwork.
  • Consider the context and mood you want to convey with your image when adjusting these parameters, as they can significantly impact the emotional tone of the artwork.

Color Adjust (Purz) Common Errors and Solutions:

Image input is not valid

  • Explanation: This error occurs when the input provided is not a valid image format or is corrupted.
  • Solution: Ensure that the input is a valid image file and is correctly loaded into the node.

Brightness, contrast, or saturation value out of range

  • Explanation: This error happens when the input values for brightness, contrast, or saturation are outside the allowed range.
  • Solution: Check that the values for these parameters are within the specified range of 0.0 to 3.0 and adjust them accordingly.

Batch processing error

  • Explanation: This error may occur if there is a mismatch in the batch size of input images.
  • Solution: Verify that all input images are of the same batch size and format before processing.

Color Adjust (Purz) Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI-Purz
RunComfy
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