Acier
Acier (#9e9991) offers a sophisticated take on the neutral palette. This mid-tone gray, with its subtle warm undertones, evokes the quiet strength of polished steel without feeling cold or industrial. Its balanced saturation provides a grounded presence, making it an exceptionally versatile choice for backgrounds, text, or understated UI elements that require depth and elegance.
Pairs well with
Analogous
Neighbours on the color wheel, producing a cohesive, low-tension pairing.
Complementary
Direct opposites on the wheel, for maximum contrast.
Split complementary
The two colors bordering the complement — contrast with less tension.
Triadic
Three colors equally spaced around the wheel, bold and balanced.
Tetradic
Two complementary pairs, forming a rich four-color set.
Square
Four colors evenly spaced for a balanced, high-contrast set.
Shades, tints & tones
Shades
Mixed with black — deeper, heavier.
Tints
Mixed with white — softer, less saturated.
Tones
Mixed with gray — muted, quieter.