public static @NotNull Color shortcutBackground(boolean useContrastColors) {
        Color base = JBColor.namedColor("GotItTooltip.shortcutBackground",
                                        JBColor.namedColor("Lesson.shortcutBackground", 0xE6EEF7, 0x333638));
        if (useContrastColors) {
          return JBColor.namedColor("Tooltip.Learning.spanBackground", base);
        }
        return base;
      }
public static @NotNull Color shortcutBackground(boolean useContrastColors)