Color (Color color, ColorKey key) { if (!CONTRAST_ELEMENTS_KEYS.contains(key)) return color; int alpha = Registry.intValue("contrast.scrollbars.alpha.level"); if (alpha > 0) { alpha = Integer.min(alpha, 255); } else { alpha = UIUtil.isUnderDarcula() ? DARK_ALPHA : LIGHT_ALPHA; } return ColorUtil.toAlpha(color, alpha); }