private static String @Nullable [] createArguments(@NotNull PsiExpression rExpression,
                                                     @NotNull PsiExpression gExpression,
                                                     @NotNull PsiExpression bExpression) {
    final Integer value = createInt(computeInteger(rExpression), computeInteger(gExpression), computeInteger(bExpression));
    return value != null ? new String[]{"0x" + Integer.toHexString(value)} : null;
  }
private static String @Nullable [] createArguments(@NotNull PsiExpression rExpression,
                                                     @NotNull PsiExpression gExpression,
                                                     @NotNull PsiExpression bExpression)