niw

#import <AppKit/AppKit.h>

int main(int argc, char *argv[])
{
    @autoreleasepool {
        NSColorList *colorList = [[NSColorList alloc] initWithName:@"Colors"];
        if (argc < 2) {
            printf("Usage: %s name:rrggbb,name:rrggbb,...\n", argv[0]);
            return 0;
        }