Swift

        let adjustedTintColor = tintColor.usingColorSpace(.deviceRGB)
        let tintColorRedComponent = adjustedTintColor.redComponent
        let tintColorGreenComponent = adjustedTintColor.greenComponent
        let tintColorBlueComponent = adjustedTintColor.blueComponent

        let tintColorMinComponentsVector = CIVector(x: tintColorRedComponent, y: tintColorGreenComponent, z: tintColorBlueComponent, w: 0.0)
        let tintColorMaxComponentsVector = CIVector(x: tintColorRedComponent, y: tintColorGreenComponent, z: tintColorBlueComponent, w: 1.0)

        let colorClampFilter = CIFilter(name: "CIColorClamp")!
        colorClampFilter.setDefaults()
        colorClampFilter.setValue(tintColorMinComponentsVector, forKey: "inputMinComponents")
        colorClampFilter.setValue(tintColorMaxComponentsVector, forKey: "inputMaxComponents")

      _progress.contentFilters = [colorClampFilter]

OC

    NSColor *tempColor = [[NSColor redColor] colorUsingColorSpace:[NSColorSpace deviceRGBColorSpace]];
    CGFloat temp1 =  tempColor.redComponent;
    CGFloat temp2 =  tempColor.greenComponent;
    CGFloat temp3 =  tempColor.blueComponent;

    CIVector *temp4 =  [CIVector vectorWithX:temp1 Y:temp2 Z:temp3 W:0.0];
    CIVector *temp5 =  [CIVector vectorWithX:temp1 Y:temp2 Z:temp3 W:1.0];
    
    CIFilter *colorFilter = [CIFilter filterWithName:@"CIColorClamp"];
    [colorFilter setDefaults];
    [colorFilter setValue:temp4 forKey:@"inputMinComponents"];
    [colorFilter setValue:temp5 forKey:@"inputMaxComponents"];
    _hahah.contentFilters = @[colorFilter];
// 第二種
    CIFilter *colorFilter1 = [CIFilter filterWithName:@"CIColorMonochrome"];
    [colorFilter1 setDefaults];
    [colorFilter1 setValue:[CIColor colorWithRed:1 green:0 blue:0 alpha:1] forKey:@"inputColor"];
    [colorFilter1 setValue:@4 forKey:@"inputIntensity"];
    _hahah.contentFilters = @[colorFilter1];
    _hahah.doubleValue = 50.0;

截屏2021-03-26 上午11.32.06.png