Lorikeet - SwiftGit

Colour Image Photo Picker SwiftUI Textview

Lorikeet

March 11, 2024

Lightweight framework for generating visually aesthetic color-schemes in Swift

Requirements

UIKit

Features

What can Lorikeet do for you

Calculate visual color difference (wikipedia)
- Algorithms:
  - CIE76
  - CIE94
  - CIE2000
Generate color schemes

Installation

Carthage

In your Cartfile put:


                                              
                                                github “valdirunars/Lorikeet”

CocoaPods

In you Podfile


                                              
                                                pod ‘Lorikeet’

Manual

Copy the ./Lorikeet folder 😁🗂

How to Use

Basic Usage


                                              
                                                let red: UIColor = .red
let label = UILabel()

label.backgroundColor = red
// Assign a maximum contrasting color as foreground color

label.textColor = red.lkt.complimentaryColor
// Visual color difference

let distance: Float = red.distance(to: .blue, algorithm: .cie2000)
// Generate color scheme

red.lkt.generateColorScheme(numberOfColors: 40) { colors in

print(colors)

}

Advanced

Lorikeet’s Algorithm enum has two cases for advanced usage:


                                              
                                                .advancedCIE94(l: Float, c: Float, h: Float, k1: Float, k2: Float)


                                              
                                                .advancedCIE2000(l: Float, c: Float, h: Float)

Example:


                                              
                                                let l: Float = 0.8

let c: Float = 0.9

let h: Float = 1.0
red.lkt.generateColorScheme(numberOfColors: 40,

using: .advancedCIE2000(l: l, c: c, h: h)) { colors in

print(colors)

}
let range = HSVRange(hueRange: (0, 1),

saturationRange: (0.5, 0.5),

brightnessRange: (0.95, 0.95))
color.lkt.generateColorScheme(numberOfColors: 15,

withRange: range,

using: .cie2000) {

colors in

}

Screenshots

Making text readable using random colors:


                                              
                                                let label = UILabel(frame: frame)

self.view.backgroundColor = UIColor(hue: 180/360.0,

saturation: 0.5,

brightness: 0.6,

alpha: 1)
label.backgroundColor = self.view

.backgroundColor!

.lkt

.generateRandomMatchingColor()
label.textColor = label.backgroundColor!

.lkt

.complimentaryColor

Generating colors:


                                              
                                                let color: UIColor = UIColor(red: 245/255.0, green: 110/255.0, blue: 100/255.0, alpha: 1)
color.lkt.generateColorScheme(numberOfColors: 10)

GitHub

View Github

#color #colorpicker #colors #material-colors #swift

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