UIColor

UIColor is a class representing a solid color or a pattern, similar to brushes in Windows GDI.

Predefined colors

UIColor defines a list of commonly accessed colors. They can be received using +[UIColor someColor], as listed below:

Documented solid colors

	blackColor 0.000		darkGrayColor 0.333		lightGrayColor 0.667		whiteColor 1.000		grayColor 0.500
	redColor 1.00, 0.00, 0.00		greenColor 0.00, 1.00, 0.00		blueColor 0.00, 0.00, 1.00		cyanColor 0.00, 1.00, 1.00		yellowColor 1.00, 1.00, 0.00
	magentaColor 1.00, 0.00, 1.00		orangeColor 1.00, 0.50, 0.00		purpleColor 0.50, 0.00, 0.50		brownColor 0.60, 0.40, 0.20		clearColor 0.000 [0% alpha]
	lightTextColor 1.000 [60% alpha]		darkTextColor 0.000

Undocumented solid colors

	tableSeparatorDarkColor 0.66, 0.67, 0.68		tableSeparatorLightColor 0.88, 0.88, 0.88		tableBackgroundColor 1.00, 1.00, 1.00		tableSelectionColor 0.16, 0.43, 0.83
	sectionListBorderColor 0.52, 0.56, 0.58 [60% alpha]		sectionHeaderBackgroundColor 0.90, 0.93, 0.99 [80% alpha]		sectionHeaderOpaqueBackgroundColor 0.92, 0.94, 0.99		sectionHeaderBorderColor 0.85, 0.87, 0.91
	tableCellBlueTextColor 0.22, 0.33, 0.53		tableCellGrayTextColor 0.50, 0.50, 0.50		textFieldAtomBlueColor 0.16, 0.34, 1.00		textFieldAtomPurpleColor 0.41, 0.00, 0.74
	infoTextOverPinStripeTextColor 0.30, 0.34, 0.42

Patterns

	groupTableViewBackgroundColor
	viewFlipsideBackgroundColor
	underPageBackgroundColor (Private)

CSS colors

Signature	-(NSString*)styleString
Available in	2.0 – 3.1

UIColors can be converted to CSS colors by the -styleString method. For example, [[UIColor lightTextColor] styleString] gives @"rgba(255,255,255,153)".

References

• Official documentation: http://developer.apple.com/iphone/library/documentation/uikit/reference/UIColor_Class/Reference/Reference.html
• Extra header: http://github.com/kennytm/iphone-private-frameworks/blob/master/UIKit/UIColor2.h