When the True Border onto Casting

Psychology

In deeper registers cyan reads as focused and efficient — a colour of systems and clarity.

History

Cyan as a printing ink became central to modern colour reproduction — the C in CMYK — because its complement to red allows the full printable colour range.

Design use

As a dark tone, it naturally lends itself to a primary background in dark themes, a strong border or divider, or a headline colour against a light surface. Combine with lighter tints of the same hue for a cohesive palette.

Colour pairings

For palette building, cyan complements warm reds and red-oranges — a palette of technological energy. For calmer use, pair with white, light grey, and the lightest tints of the same hue.