Jakub Krehel
4 Tools
Jakub Krehel is a Prague-based design engineer who holds a master's degree in Visual & Experience Design from the University of Europe for Applied Sciences in Berlin. He honed his craft across several product and design roles — including stints at Kontentino, Late Checkout, Thirdweb, and OpenSea, where he served as Product Design Lead — before co-founding Interfere (YC S25) as its Founding Design Engineer. His work sits at the intersection of design and engineering, with a focus on craft details such as typography, motion, color, and interface quality.
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Tools
Installable agent skills that let AI assistants improve a product's animations, typography, layout, and colors.
Agent skill covering animation, typography, hover states, and optical alignment in interfaces.
Agent skill for converting OKLCH colors, generating palettes, and checking contrast and gamut.
Web tool for converting color formats, generating palettes, and exploring the perceptually uniform OKLCH color space.