# Color The strings for defining colors in Apple News Format. ``` string Color ``` ## PossibleValues: `/^(\#\w{3})|(\#\w{6})|(\#\w{8})|([a-z]{0,20})$/` ## Discussion You can define colors in different ways in Apple News Format. ### 3-character RGB Use three characters to define red, green, and blue (RGB). For example, a value of `#c00` is short for `#cc0000` and makes red. ### 4-character RGBA Use four characters to define RGB and alpha (opacity). For example, a value of `#fc0a` is short for `#ffcc00aa`. ### 6-character RGB Use six characters to define two-character values for each of red, green, and blue. For example, a value of `#0000ff` makes blue. ### 8-character RGBA Use eight characters to define RGBA. For example, in a value of `#000000aa`, the first six characters define RGB, and the last characters define alpha. `#00000000` represents black but fully transparent, while `#000000ff` is fully opaque. ### Color Names Use any of the available color names like `red`, `lightgreen,` or `rebeccapurple`. See . --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)