jdvoracek

There is no doubt the tool works in the way you articulate, but why wouldn't users think in HSL when Affinity Help explains the tool's actions in HSL terms? - "The targeted color's hue will be replaced with the current Primary color's hue, while retaining saturation and lightness values of the original pixels." https://affinity.help/photo/en-US.lproj/index.html?page=pages/Painting/replaceClrs.html&title=Replacing colors by brush

Thanks for the revelation. Now can Affinity to give the tool a proper name reflecting (no pun) what it actually does, maybe "The Psychedelic Perceptive Color Mixing Tool"?

@walt.farrell OMG! Confirming your result: @TihoS is correct. Not only is that tool misnamed, it is misfunctioning!

What are the HSL values for the red brush and for the green you are painting over?

To begin, most people use the terms COLOR and HUE interchangeably. It's very common to assume the two mean the same thing. Colloquially speaking they sort of do, but technically speaking they don't. Think of COLOR in the HSL model where a color is fully defined by HUE and SATURATION and LIGHTNESS. Affinity has poorly named this tool as the "COLOR replacement brush", when it is really the HUE replacement brush. Even Affinity is inconsistent with the use of "color". Correctly, on one help page Affinity technically explains: "The targeted color's hue will be replaced with the current Primary color's hue, while retaining saturation and lightness values of the original pixels." You can verify this by testing as I did. However, on another help page Affinity colloquially states: "The Color Replacement Brush Tool works by replacing the color of pixels on the current layer with the Primary color selected on the Color panel." The correct statement would replace the word "color" with "hue". The tutorial is misleading because it does not address the important difference between color and hue and Affinity's inconsistent help pages. Moreover, the choice of colors he uses does not illustrate the difference (unless you look very closely).

Semantically color is defined in the HSL model by the three axes of hue, saturation and lightness. The "color" replacement brush tool replaces only one of these axes while keeping the other two (mostly - see attached) unchanged. Please rename this tool to "hue replacement" so users don't waste time trying to figure out why it isn't replacing color. P.S. what use does this tool have? "The Color Replacement Brush Tool takes a sample of the color under the cursor when you begin to paint, and will replace all closely matching colors along the stroke with the current Primary color. The targeted color's hue will be replaced with the current Primary color's hue, while retaining saturation and lightness values of the original pixels."

What? Me misunderstand AP?? It would help if they would rename it the HUE REPLACEMENT BRUSH for dummies! So conceptually I can understand the manual you link, but when would you use such a feature? A color is defined by hue, saturation and lightness, so why call it a color replacement if all you replace is the hue?

What am I missing? I am trying to replace the color of the lady's purple shorts with green. In a transparent area, the brush paints green. Over the pants, however, it paints a different hue. This happens with any color I try, in any aphoto file. Surely I'm doing something wrong. Attached are brush setting and the photo in question. Here is a quicktime movie of what happens: https://www.dropbox.com/s/oxuwbtzc575fqmz/color replacement.mov?dl=0 Thanks for help!

I didn't see this thread until walt.f directed me. I liked the old action of clicking the menu icon to get the mask choices drop down list. However, opt-click is an okay solution, just hard to find until told about it.

Thanks Walt! Opt-click will work fine for me to get the "old" drop down menu. BTW, I turn assistant off. I think it's better to know what needs to be done than have background assistance with sometimes unexpected, unforeseen and sometimes destructive side effects, but I digress.

In Photo 2.0, clicking the mask icon in the panel below the layers panel (or maybe it's part of the layers panel) would give me mask choices - new mask, new empty mask, new compound mask, etc. Now all I get is an immediate new mask, and I can't find any setting to revert this to the prior behavior - is there? I DON'T LIKE THIS CHANGE!

Thanks, and yes, tried a few different basic brushes.

That fixed it! Did something get corrupted therein? BTW, resetting the brushes previously did not fix it. BTW, I attached that file I replaced in case it's of any diagnostic use to you. raster_brushes.propcol

Right, until today it worked for me also. I've reset the Brushes at least twice. I've not reset anything else. I was hoping to avoid a more major reset and/or uninstall/reinstall, but I fear I am headed that way. The only other Affinity app I have is a recent Photo beta install, but I was basically just using 2.0.4. Some setting somewhere got messed up. Objects/methods, etc., can have strange gremlins tucked away. I'll update this later when I have a resolution (I hope). Thanks!

Thanks. EXACTLY. No hardness adjust/slider in 2.0.4 but works in 2.1.0.1742 (beta). Thinking I will need to uninstall/reinstall 2.0.4...