From time to time I prepare some small ancillary filters, which are too simple to be worth an official release under "GIMP Scripts & Plug-ins".
Hence I decided to create here a common thread where to post them.
Today I prepared:

What does it?
It finds the average hue of the source image, creates a duplicate layer, colorizes it using that hue.
Here it is:
OverlayHUE


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Edit:
I tought it could be useful to maintain here the ongoing list of the released small filters with the link
----------------------------------------------------------------------------------------------------------------------------
2-Max Pixel Colour see post # 3
3-Evidence of Selected Area see post # 7
4-Nuanced Levels see post #21
5-Enhance Skins see post #27
6-RotatingRGBColours see post #29
7-GraphicaABC see post #46
8-LookAtAllModes see post #56
9-ChildishPaint see post #59
10-ChildishEngrave see post #63
11-ChildishIntarsio see post #78
12-Leave1Hue see post #92
13-Only2Hues see post #103
14-AddStructure see post #104
15-EasyQBist see post #114
16-AddStructure2 see post #161
17-BrumalEffect see post #172
18-EasyVoronoi see post #192
19-MontageOfAllLayers see post #270
20-MetallizedSimple&Montage see post #272
21-FunnyCurves see post #334
22-GradientPaint see post #347
23-SmartSharpening see post #415(final edition)
24-MultiScaledCrystals see post #431 (initial); see post #452 (enhanced version);
25-PlusColourContrast see post # 459
26-MultiColouredParticles see post # 480 (initial); see post #491 (enhanced version)
27-WaterPastelPoster see post # 514
28-ColouredEmboss see post # 541
29-ColouredDoubleEngrave see post # 588
30-CrazyDrawOnDark see post # 630
31-EasyGlamour see post # 653
32-GradientMapping see post # 665
33-TextureSharpen see post # 678

...and that's all

Examples of OverlayHUE

Today I prepared another small ancillary filter:
MaxPixelColour
What does it?
It finds the max "colour" value of each pixel in the source image, and places them in a duplicate layer, set to OVERLAY (default at 50.0).
To limit (not avoid) the distinction of the pixel values by a difference of just +1 or -1, it reduces preliminarly the values to the corresponding 1/16 of the original value.
Then classifies the pixel into one of 7 classes: Red, Green, Blue, Yellow, Cyan, Magenta, White depending on the max values found in R, G, B and replaces the source pixel with the max value(s), in the duplicated layer.
Finally applies a large blur to limit local pixellation.
Here it is:

Examples of MaxPixelColour.
I deliberately choose the same images so that you can see the different effect by using this one or the OverlayHUE.

Nice filters. Thanks Diego. =)

Thanks Rod for your appreciation.
They are small and simple but could be useful with certain images or to obtain specific "intensity" of colours.

Another small ancillary filter:
EvidenceOfSelectedArea
What's its purpose?
To put in evidence the area selected by the user (a selection is needed) by:
- lightening it, if the area is dark
- darkening it, if the area is light
plus an optional contour.
Here it is:

Examples of EvidenceOfSelectedArea.
- no border

- simple contour

- TT hardbevel (may take a while on large images....)

You have been keeping busy! Nice filters.
Sorry I won't be downloading them just yet. My pc is not up to it and a lot of the scripts/filters I already have (glut) are not working due to my pc misbehaving. Nothing against your filters. I just need a new one.

Thanks for your comment, Sallyanne.
Hope you can get soon your new PC, not to feel like having your hands tied.
I say it for yourself, your daily activity on line, not for being able to install my filters...ehehe.

I really likes the looks of this filter, Dinasset. I want to play!

Cool filters. I used this one on my bike.

Thanks a lot, Pat.
A simple toy for a simple effect, I'm using sometimes.

Thanks to you too, racer-x (a bike, what else? ehehe...)

I like your filters Diego. I will download them later. I too am looking into getting a new PC.

Thanks for your appreciation. Hope you get soon your new PC.

I used text selection for this one.

Beautiful work! I especially like "Evidence Selection Bees"!

Another text selection using Evidence Selection.

I like the selected area with hard bevel best, very interesting set of filters.

Never tought about text, nice finding! Thanks racer-X.
And thanks PM and 2-ton for the positive comments: these filters are little "toys" to use from time to time.