HCL Sliders is a Python plugin made for Krita (free professional and open-source painting program).
This plugin contains sliders for various hue/colorfulness/lightness models for use in the sRGB color space and its linear counterpart.
sRGB Color Space
HSV (Hue, Saturation, Value)
HSL (Hue, Saturation, Lightness)
HCY (Hue, Relative Chroma, Luma/Relative Luminance)
Oklab Color Space
OKHCL (Hue, Relative Chroma, Referenced Lightness)
OKHSV (Hue, Saturation, Value)
OKHSL (Hue, Interpolated Saturation, Referenced Lightness)
Hexicimal notations: Must be 6 digits, i.e. #RRGGBB
Oklab notations: RGB values will be clipped to the sRGB gamut
Oklch notations: Hue must be given in degrees and RGB will be clipped
Left Mouse Button/Pen Press: Set value for channel
Ctrl + Left Mouse Button/Pen Press: Snap value to interval points
Shift + Left Mouse Button/Pen Drag: Shift value by 0.1 precision
Alt + Left Mouse Button/Pen Drag: Shift value by 0.01 precision
Left Mouse Button/Pen Click: Set color to foreground
Ctrl + Left Mouse Button/Pen Click: Set color to background
Shift + Left Mouse Button/Pen Drag: Scroll color history
Alt + Left Mouse Button/Pen Click: Delete selected color from history
Alt + Left Mouse Button/Pen Drag: Delete a series of colors from history, starting from the point where mouse/pen is pressed until where the mouse/pen is released
Click on the color display panel on the plugin to toggle between selecting foreground and background color.
- Download the ZIP file
- Open Krita and go to Tools -> Scripts -> Import Python Plugin From File.
- Navigate to the download location and select the ZIP file.
- Restart Krita.
- Go to the Python Plugin Manager again to check if Ten Brush Slots extension is activated.
- If not activated, click on the checkbox beside it and restart Krita again.
- Go to Settings -> Dockers -> HCL Sliders, click on the checkbox to activate it.