# What is Fade In?

An element appears by going from fully transparent to fully visible. It is the simplest entrance animation and rarely feels wrong.

## In real work

Add a fade in on the toast notification over 150ms. Opacity from 0 to 1. No movement.

## Related terms

- [Stagger](https://prompthausapp.com/learn/stagger.md)
- [Duration](https://prompthausapp.com/learn/duration.md)
- [Easing](https://prompthausapp.com/learn/easing.md)
- [Ease-Out](https://prompthausapp.com/learn/ease-out.md)
- [Spring](https://prompthausapp.com/learn/spring.md)

## How is this different from Googling it?

Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.

- Category: Animation
- HTML: https://prompthausapp.com/learn/fade-in
- App Store: https://apps.apple.com/us/app/prompthaus-ai-vocabulary/id6776314407