ガイド
シンプルなCSSグラデーション背景の作り方
読みやすさとバランスを確認しながら、2色で整った背景を作る方法です。
シンプルなグラデーションは主張しすぎず、コンテンツを支えるため実務で使いやすいです。
Begin with two related colors
Pick colors from the same family or nearby hues.
This keeps transitions smooth and avoids harsh banding.
Use a neutral default angle
90° or 120° works well for many section backgrounds.
Change the angle only when layout direction requires it.
Test with real content early
Place heading text and a button over the gradient.
If contrast is weak, darken one stop slightly or add a subtle overlay.
Save the final CSS snippet
Copy the final gradient code into your stylesheet or token file.
Documenting the decision prevents random variations later.
Where this helps
- Hero sections for small websites.
- Promo cards and newsletter blocks.
- Page sections that need light visual separation.
Simple usually scales better
A calm two-color gradient is easier to maintain and more reusable across future pages.