message: Lowercase for hex color in Color Picker (mac)
diff: @@ -124,7 +124,7 @@ extension ColorPickerView: ChangeColorDelegate {
  }
  private func notifySelectedColorChange(with color: HSV) {
  - let hex = color.toNSColor().hexString
  + let hex = color.toNSColor().hexString.lowercased()
  let color = ProjectColor(colorHex: hex)
  delegate?.colorPickerDidSelectColor(color)
  }
  