What is the HEX code for International Orange (Aerospace)?

International Orange (Aerospace) is #FF4F00. Copy the code or export a color chip from the Coloristic color library.

What is the OKLCH value for International Orange (Aerospace)?

International Orange (Aerospace) (#FF4F00) in OKLCH is oklch(67.0% 0.222 37). OKLCH is a perceptually uniform color space useful for accessible UI palettes.

What kind of color is International Orange (Aerospace)?

International Orange (Aerospace) is a mid, vibrant, warm oranges color (#FF4F00). Explore harmonies, tints, shades, and contrast pairs on Coloristic.

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Oranges

International Orange (Aerospace)

vibrantwarmmid

A bright, saturated reddish orange used in aerospace and maritime safety gear — more orange than the engineering red, tuned for spotting people and equipment at a distance.

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Psychology

It signals readiness, courage, and high-stakes action, stimulating alertness with an energetic warmth associated with exploration and rescue.

History & Origin

NASA's Launch Entry Suit and Advanced Crew Escape Suit use this tone, as did the Bell X-1 — the first aircraft to break the sound barrier. U.S. Coast Guard buoyant safety equipment adopted a similar international orange after the 1961 Bluebelle incident.