orangered
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#FF4500
CSS color
OrangeRed (#FF4500) is an intense CSS named color poised exactly between orange and red — vivid, hot, and urgent. The name describes its position precisely: more red than orange but brighter than a standard red. It evokes molten metal, wildfire, and the sun near the horizon. OrangeRed became broadly known as the official color of the Reddit logo, cementing it in tech culture.
カラー値
#FF4500
255, 69, 0
16.2, 100.0%, 50.0%
16.2, 100.0%, 100.0%
0.0%, 72.9%, 100.0%, 0.0%
0.6602 0.2294 35.4
プロパティ
色彩心理学
True orange embodies enthusiasm, creativity, and adventure. It stimulates mental activity and social interaction, making it a favorite in creative industries. Orange is highly visible and conveys confidence without the aggression of red, bridging warmth and energy.
Design Usage
Medium orange excels in CTAs, pricing highlights, and gamification elements where excitement is desired. Tech companies and SaaS products use it to differentiate from the dominant blue of their competitors. It requires careful contrast checking since mid-range orange can fail WCAG on light backgrounds.
カラーハーモニー
色覚異常シミュレーション
CSS使用法
Tailwindシェード
コントラストチェッカー
白背景のテキスト
3.44:1
黒背景のテキスト
6.1:1
比較する
この色を使用しているブランド
関連記事
よくある質問
What are the RGB, HSL, and CMYK values of #FF4500?
RGB(255, 69, 0) · HSL(16.2, 100.0%, 50.0%) · CMYK(0.0%, 72.9%, 100.0%, 0.0%)
Does #FF4500 meet WCAG contrast on white?
3.44:1 — WCAG AA 不合格, AAA 不合格 for normal text.
What text color is readable on #FF4500?
Use 000000 text on a #FF4500 background; contrast on black is 6.1:1.