---
title: "What value should I use to change the opacity of an element?"
date: "2018-03-20T20:20:23+00:00"
summary: "Learn how to adjust element opacity in web design. Discover the correct decimal values for transparency, from fully transparent to solid, and how to apply them using the Style builder."
image:
type: "article"
url: "/drupal-starter-kits/add-ons/site-studio/help/64771-what-value-should-i-use-change-opacity-element"
id: "20544714-b690-4c88-bde2-a91701a0395c"
---

Opacity is set using a decimal where 0 is transparent, 0.5 is 50% and 1 is solid.

You can set the opacity of an element using the Style builder. The value you add to the Opacity property must be either 0 or 1 or a decimal number in between. For example, 0.5 is 50% opacity.