Values in Louis Hayet tilt decisively toward white, giving the palette its luminous character. Louis Hayet builds on cool foundations: the palette favours the blue-cyan-green arc. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. The saturated accent, #456976, registers at 6.1% - sparse enough to feel like a deliberate surprise. Spanning 30 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. In the context of Louis Hayet's full range of palettes, group 3 represents one movement in an ongoing chromatic dialogue.