is there any way to set color to a text box placeholder
<div class="row">
    <div class="col col-50">
        <input type="number" placeholder="Price Color" name="price" class="textbox" ng-model="Price"required>
    </div>    
    <div class="col col-50">
        <input type="number" placeholder="Discount Color" class="textbox" ng-model="discount">
    </div>    
</div>
i want to change the color inside the text box placeholder that is "Price Color" and "Discount Color" this string color to be red when values entered must be black
 
    