RGB颜色查询对照表

16进制字符转10进制数字

如#FFFFFF转化10进制

NSString *s1 = @”FF”;
unsigned long red = strtoul([s1 UTF8String],0,16); 
NSString *s2 = @”FF”;
unsigned long red = strtoul([s2 UTF8String],0,16);
NSString *s3 = @”FF”;
unsigned long red = strtoul([s3 UTF8String],0,16);

 [颜色对照表引用页](http://www.114la.com/other/rgb.htm)