Radical Red

#ff355e

Hot coral-red with higher lightness than neighbors

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About Radical Red

Radical Red looks like a hot flare that never fully turns into alarm red. It's lighter and more saturated than Devil's Advocate, so it has less heaviness and more punchy forward motion. Compared to , it loses the magenta tilt and reads more straightforward red-orange, less inked and more heat-on-the-surface.

I reach for it in dashboards and finance apps where you need a highlight that feels urgent but not panicked. Think payment exception banners in fintech portals, "action required" chips in logistics tracking, and status accents on live media thumbnails that are actively updating. It also works well for CTA states on orange-forward designs, because it stays warm without borrowing pink's edge.

On light backgrounds, let it have room so the contrast feels crisp rather than busy. On dark UI, pair it with clean grays so the warmth lands as readable priority, not a smear.

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Contrast checker

WCAG 2.1 contrast ratios. AA requires 4.5:1 for normal text, 3:1 for large. AAA requires 7:1 / 4.5:1.

On White #ffffff

Aa
3.55:1FailAA Large

On Gray 100 #f5f5f5

Aa
3.25:1FailAA Large

On Gray 900 #18181b

Aa
5.00:1AAAAA Large

On Black #000000

Aa
5.92:1AAAAA Large

Variations

Shades

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Tints

Lighter variations, created by mixing toward white.

Tones

Muted variations, created by reducing saturation.

Hues

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Temperatures

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Color harmonies

Complementary
Analogous
Triadic
Split Complementary
Tetradic

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