在想色色的事情對吧？About color in iOS - Jeff Lin
===

{%hackmd FGRWt1UuTFKk0wSbGgg-SA %}

## YouTube
{%youtube 6n7TUuA-dug %}

## Slide
{%slideshare ssuser76f232/about-color-in-i-os %}

# Reference

## Color Space
### Apple document
[About Color Spaces](https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/DrawColor/Concepts/AboutColorSpaces.html)
[HIG-color](https://developer.apple.com/design/human-interface-guidelines/ios/visual-design/color/)
[UIColor-Understand Color Space Usage](https://developer.apple.com/documentation/uikit/uicolor)

### P3, Wide Color
[Working with Wide Color](https://developer.apple.com/videos/play/wwdc2016/712)
[Get Started with Display P3 - WWDC 2017](https://developer.apple.com/videos/play/wwdc2017/821/)
[Improving Color on the Web](https://webkit.org/blog/6682/improving-color-on-the-web/)

### Gamma
[Adjusting the Brightness and Contrast of an Image](https://developer.apple.com/documentation/accelerate/vimage/adjusting_the_brightness_and_contrast_of_an_image)
[准确的伽玛 2.2 及预设 5 种伽玛值设定](https://color.viewsonic.com/zh-cn/explore/content/5%20%E7%A7%8D%E4%BC%BD%E7%8E%9B%E5%80%BC%E8%AE%BE%E5%AE%9A_4.html)

## Accessbility
### Requirements
https://www.w3.org/TR/WCAG-TECHS/G18.html
[WCAG 2 Contrast and Color Requirements](https://webaim.org/articles/contrast/)

https://webaim.org/resources/contrastchecker/
https://www.w3.org/TR/WCAG20/
https://designtongue.me/website-accessibility/

[Gist](https://gist.github.com/kenobilyh/eca222e881130f2fafffe4d3331805da)

### Sketch plug-in
https://github.com/getflourish/Sketch-Color-Contrast-Analyser

## Blend mode
[Using Blend Modes with Images](https://developer.apple.com/library/archive/documentation/GraphicsImaging/Conceptual/drawingwithquartz2d/dq_images/dq_images.html#//apple_ref/doc/uid/TP30001066-CH212-TPXREF101)
[Color Blending Tool](https://colorblendy.com/#!/multiply/f26591/ffb8b1)

## Dark mode
### WWDC 2019 session
[Implementing Dark Mode on iOS](https://developer.apple.com/videos/play/wwdc2019/214/)
[Supporting Dark Mode in Your Web Content](https://developer.apple.com/videos/play/wwdc2019/511/)
[What's New in iOS Design](https://developer.apple.com/videos/play/wwdc2019/808/)

### Web
[How do I implement dark mode into service ?](https://medium.com/@meistudio/how-do-i-implement-dark-mode-into-service-230e8ad829a4)

### Useful reference
[Dark Mode on iOS 13](https://nshipster.com/dark-mode/)
[Backwards compatibility for iOS 13 system colors-Table of system colors](https://noahgilmore.com/blog/dark-mode-uicolor-compatibility/)
[8 Tips for Dark Theme Design](https://uxplanet.org/8-tips-for-dark-theme-design-8dfc2f8f7ab6)

## Color In Development
[Asset catalog colors on Xcode 9](https://blog.zeplin.io/asset-catalog-colors-on-xcode-9-c4fdccc0381a)

###### tags:`iPlayground2019`