ColorUtils is a class that offers utilities for working with items and obtaining colours meaningful for UI usage, offering the following items as a start:
- `QColor averageColorForItem(QQuickItem*, int)` - Obtains the average colour of an item, ignoring transparent pixels
- `Brightness brightnessForItem(QQuickItem*)` - Obtains the brightness of an item
- `QColor alphaBlend(QColor foreground, QColor background)` - Gets the colour of overlaying a transparent foreground on a background
- `QColor linearInterpolation(QColor, QColor, double)` - Linearly interpolates between two colours
- `QColor adjustColor(QColor, adjustments)` - Adjusts the color by fixed values
- `QColor scaleColor(QColor, adjustments)` - Scales the color's values