HueShifter is an amazing new application for doing color transposition or "color shifting" within images.
Unlike other graphics applications, HueShifter works in perceptually uniform colorspaces (Lab and Luv) while letting you select and manipulate colors using dimensions that you're familiar with - hue, saturation and lightness. This allows you to make changes that are imperceptible and that look completely natural, changes that don't have halos and fringe effects around the affected colors.
Open, drag or paste images into HueShifter, then save, drag or copy the results to another app. You can save/drag/copy either the color image data or the selection mask to use as a layer mask in another app. Plus HueShifter supports images with alpha and maintains embedded color profiles.
HueShifter works in real-time as you drag its sliders. It's multi-threaded so it makes use of that fancy multi-core processor you have, plus it's efficient and doesn't waste your laptop's battery or your time watching progress bars.
With HueShifter, you can...
• Change product colors without needing to re-photograph the product
• Make numerous product shots by only shooting one color and using HueShifter to produce the other versions
• Re-color logos or artwork
• Re-color web or ui elements to make them uniform and the exact same hue
• And do it without degrading the image like HSL/HSB/HSV modes can
Saturate, desaturate, lighten and darken colors
• Neutralize slight color casts in white or gray backgrounds
• Highlight subjects of interest by desaturating other colors
• Pull a range of colors to a new single color
• Shift or remove color casts in shadows, such as purple casts in shadows on blue objects
HueShifter was designed to work alongside Photoshop and other image editing applications…
• Use copy and paste to exchange images with other programs
• Make selection masks for use back in Photoshop or other applications
• Supports color-profiled images, retaining the original color profile when copying or saving images
HueShifter is perfect for users who don't own Photoshop...
• Make color changes and corrections without having to own an application like Photoshop
• Results are achieved faster and better than with other apps
• Visual results are more uniform than is possible with other apps
• Added a masking feature to allow you to paint-out areas that will be excluded from hue shifting. It currently has a very minimal user-interface, but it uses standard Photoshop keyboard conventions to control the brush size, softness and color. See "Changing colors" in the built-in help for more information.
• Changed the behavior of drag and drop to prevent inadvertently changing the contents a file-based document. HueShifter now offers the choice of replacing the current image or opening a new window.
• Fixed a couple memory bugs that could cause a crash when using "Revert to Saved" or when pasting or dropping an image while Hueshifter was processing an image in that window.
• Added some missing color conversions for Lab, HSB/HSV and HSL colorspaces when using the system color picker to specify or pick up a target hue. Previously, the hue was calculated in Luv colorspace regardless of the selected working colorspace.
• Fixed bug in code that was supposed to prevent file name collisions when dragging an image to the Finder. A collision could occur if the file name contained unescaped characters like spaces, and the original file would be overwritten.
• Turned on lossless LZW compression when saving TIFF files to reduce file sizes. This shouldn't have any functional impact when using the TIFF files with any other app, so let us know if it impacts your workflow in any way.
• Added tool tips to some UI controls.
• Fixed a minor error that would cause a color to be ignored when using the Add Color Picker if the closest falloff thumb was collapsed to zero (abutted to its neighboring upper or lower thumb).
• Updated the built-in help.
• Added color to the brightness slider under "Color Changes".
• Misc minor fixes.
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