ZFL | Scorpio Stingers Concept Sketch

Concept sketch of the Scorpio Stingers, the 8th team of the Zodiac Football League.
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This little fella is fierce and relentless. The goal was to design a logo that captured those aforementioned attributes and create a bold, clean look that rendered the visual identity flexible and timeless.
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For colors, as the 3rd and final Water Divisional team, I originally wanted to use a cool, water palette but the Pisces Sharks and the Cancer Crustaceans have already monopolized that palette so I wanted to go in a different direction. I am thinking charcoal and orange, with a light orange tinted white for the highlights. My thought process for this is that, the Scorpio sign falls on Halloween and the orange helps characterize the relentless and fierce traits.
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What do you think of the structure? Does the rationale for the color palette make sense?