In Photoshop image editing, "Photo Color Swatches" refers to a collection of predefined color swatches specifically curated for photo editing purposes. These swatches typically contain a range of colors commonly used in photography, such as skin tones, natural landscapes, skies, and other elements found in photographic images.

Color Correction: They provide a convenient selection of colors that can be used for color correction and color grading tasks in photo editing. Designers can sample colors from the swatches to ensure consistency and accuracy when adjusting the color balance, saturation, and hue of an image.

Efficiency: By having a predefined set of colors tailored for photo editing, designers can save time and effort in selecting and sampling colors from scratch. This streamlines the editing process and allows for more efficient workflow, particularly when working with multiple images or editing large batches of photos.

Visual Reference: Photo color swatches also serve as a visual reference for identifying and selecting colors that are commonly found in photographic images. This can be helpful for designers who are new to photo editing or need guidance on selecting appropriate colors for specific elements within an image.

Consistency: Using consistent colors across multiple images helps maintain visual harmony and coherence in a series of photographs, such as those used in a photo essay, portfolio, or marketing campaign. Photo color swatches facilitate this consistency by providing a standardized set of colors that can be applied uniformly across different images.

Overall, photo color swatches in Photoshop image editing provide a convenient and efficient way for designers to access and utilize a curated selection of colors specifically tailored for photo editing tasks. By leveraging these swatches, designers can achieve more accurate color correction, enhance visual coherence, and streamline their photo editing workflow.