Color fading algorithm?

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Based on this example, the Queue<Color> below cycles from Color.green to Color.blue and back to Color.green again in N = 32 steps. Note that Color.green is numerically less than Color.blue in the HSB model. See also this related example using HSB.

enter image description here

public Flash(JComponent component) {
    this.component = component;
    float gHue = Color.RGBtoHSB(0, 1, 0, null)[0];
    float bHue = Color.RGBtoHSB(0, 0, 1, null)[0];
    for (int i = 0; i < N; i++) {
        clut.add(Color.getHSBColor(gHue + (i * (bHue - gHue) / N), 1, 1));
    }
    for (int i = 0; i < N; i++) {
        clut.add(Color.getHSBColor(bHue - (i * (bHue - gHue) / N), 1, 1));
    }
}

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