You can try below code.

$_product = $block->getProduct();
foreach ($_product->getOptions() as $o) {
    if ($o->getTitle() != 'Color') { // or another title of option
        continue;
    }
    foreach ($o->getValues() as $value) {
        print_r($value->getData());
    }
}

You can use below code.

$_product = $block->getProduct();
foreach ($_product->getOptions() as $o) {
    if ($o->getTitle() != 'Color') { // or another title of option
        continue;
    }
    foreach ($o->getValues() as $value) {
        print_r($value->getData());
    }
}