Hello Summer

#55bbff

Sunlit sky blue with a softer warm tilt

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About Hello Summer

Hello Summer reads lighter and airier than everything around it, it's the blue that actually looks like it's catching sunlight. Where Blue Mana and still carry weight, this one sits noticeably higher on the brightness scale, almost like someone turned up the exposure on a summer sky. It's saturated enough to feel intentional, but not so much that it demands your attention the way does.

You'll land here on light UI backgrounds, cards, and panels where you need a color that feels summery without going flat or washed out. Works in travel apps, lifestyle products, and wellness dashboards where that open, optimistic feeling matters. It pairs beautifully with medium grays and charcoal because the lightness actually creates contrast instead of fighting for presence. Weather apps, hospitality interfaces, anything where you're trying to make the interface itself feel inviting rather than serious.

On warmer monitors it stays true. On cooler displays it might cool off slightly, but it won't lose that lifted, airy quality that separates it from its darker siblings.

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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
2.11:1Fail

On Gray 100 #f5f5f5

Aa
1.94:1Fail

On Gray 900 #18181b

Aa
8.38:1AAA

On Black #000000

Aa
9.94:1AAA

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