Martian Colony

#e5750f

Dusty, concentrated orange for high-contrast warning blocks

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About Martian Colony

I keep Martian Colony in my "stop it from going too citrus" drawer. It lands deeper and drier than , with more red pulled in, so it doesn't feel like fresh fruit juice. Compared to 24 , it turns more dusty and less fired-clay warm, and it's not as wet-snapped as .

The undertone reads reddish orange with a desert edge, which makes it great for food e-commerce moments that need momentum without looking like a promo sticker. I use it for hero banners, product-launch key visuals, and capsule drop CTAs where you want the eye to move, especially in retail and travel media. It feels right for "new route" and "next batch" cards too, because it doesn't tip into alarm heat. I'll pair it with charcoal UI text or off-white panels so the tone stays crisp, not muddied.

One quirk: on very warm backgrounds it can flatten fast, so I reach for cooler neutrals or a darker border to keep it structured. It's the one you reach for when orange needs grit, not gloss.

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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
3.05:1FailAA Large

On Gray 100 #f5f5f5

Aa
2.80:1Fail

On Gray 900 #18181b

Aa
5.81:1AAAAA Large

On Black #000000

Aa
6.88:1AAAAA Large

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