Description: a color picker for picking color(s) from views and images. Features:

1. UIImage and CALayer Extension to get pixel color at or near the touch point
2. A custom color palette UIView to display the palette colors
3. A custom color rect UIView to display the colors near the touch point
4. A custom ColorRollView to display HSB colors

Links:

ExSwift

Making a color palette with HSB

UIImage pixel play extension in Swift

Send Email In-App – Using MFMailComposeViewController with Swift

Photo