public boolean colorSimilarCheck(int color1, int color2) {
        double colorDiff = Math.sqrt(
                Math.pow(Color.red(color1) - Color.red(color2), 2) +
                        Math.pow(Color.green(color1) - Color.green(color2), 2) +
                        Math.pow(Color.blue(color1) - Color.blue(color2), 2)
        );
        return colorDiff < COLOR_DIFF_THRESHOLD;
    }
@Test
    public void colorSimilarCheck() {
        ColorUtils colorUtils = ColorUtils.getInstance();

        Assert.assertEquals(
                mIsColorSimilar,
                colorUtils.colorSimilarCheck(mColor1, mColor2)
        );
    }