void UpdateFontColor()
{
hue = hue + Random.Range(0.5f, 4f);
saturation = saturation + Random.Range(0.0035f, 0.005f);
hue = hue % 256;
saturation = Mathf.Max((saturation % 1.0f), 0.3f);
fontColor = ColorExt.ColorFromHSV(hue, saturation, 0.35f, 1);
text.color = fontColor;
}