A simple UIColor extension for effortlessly interpolating between two colors.
See Sources/UIColor+Interpolation.swift for details.
The playground includes the follwing examples for exploring practical applications of the extension. Note that Xcode 7.3 or later is required for interactivity.
An example for visualizing the progress points between any two colors.
A paged UIScrollView where each page corresponds to a different color. Swipe horizontally to interpolate the view's background color to the current progress point.
A UICollectionView where the background color for each cell represents an interpolated progress point between two colors.