#define RGB(r, g, b) [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:1] #define RGBA(r, g, b, a) [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a]
使用例
//色のみ testLabel.textColor = RGB(255, 251, 204); //透過も指定 testLabel2.textColor = RGBA(255, 251, 204, 0.5);
*参考記事*
UIColor Macros