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copied!<p>The <strong><code>CIColor</code></strong> class contains color values and the color space for which the color values are valid. </p> <p><a href="https://developer.apple.com/documentation/coreimage/cicolor" rel="nofollow noreferrer">https://developer.apple.com/documentation/coreimage/cicolor</a></p> <pre><code>// UIColor to NSString CGColorRef colorRef = [UIColor grayColor].CGColor; NSString *colorString = [CIColor colorWithCGColor:colorRef].stringRepresentation; </code></pre> <hr> <pre><code>// NSString to UIColor CIColor *coreColor = [CIColor colorWithString:@"0.5 0.5 0.5 1.0"]; UIColor *color = [UIColor colorWithCIColor:coreColor]; </code></pre> <p>-----------------Warning-----------</p> <p>If You Want Support All Devices The Way Mentioned Above to Convert NSString to UIColor Will Not Work On All Devices.</p> <hr> <p><strong>stringRepresentation</strong></p> <p>Returns a formatted string that specifies the components of the color.</p> <p>The string representation always has four components—red, green, blue, and alpha. </p> <p><a href="https://developer.apple.com/documentation/coreimage/cicolor/1437910-stringrepresentation" rel="nofollow noreferrer">https://developer.apple.com/documentation/coreimage/cicolor/1437910-stringrepresentation</a></p> <hr> <p><strong>colorWithString:</strong></p> <p>Creates a color object using the RGBA color component values specified by a string.</p> <p><a href="https://developer.apple.com/documentation/coreimage/cicolor/1438059-colorwithstring" rel="nofollow noreferrer">https://developer.apple.com/documentation/coreimage/cicolor/1438059-colorwithstring</a></p>

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