@Nullable
    private Color findNamedColor(String colorText) {
      final PsiFile file = myLiteral.getContainingFile();
      if (!(file instanceof JsonFile)) return null;
      final List<JsonProperty> colors = ThemeJsonUtil.getNamedColors((JsonFile)file);
      final JsonProperty namedColor = ContainerUtil.find(colors, property -> property.getName().equals(colorText));
      if (namedColor == null) return null;

      final JsonValue value = namedColor.getValue();
      if (!(value instanceof JsonStringLiteral)) return null;
      return parseColor(((JsonStringLiteral)value).getValue());
    }
@Nullable
    private Color findNamedColor(String colorText)