Values in Arnold Böcklin tilt decisively toward white, giving the palette its luminous character. Arnold Böcklin builds on cool foundations: the palette favours the blue-cyan-green arc. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. The saturated accent, #E4DF86, registers at 9.6% - sparse enough to feel like a deliberate surprise. 80 units of value range underpin the palette's structural clarity: the eye always knows where light falls. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. Palette 1 sits within the larger chromatic argument that Arnold Böcklin's complete body of work advances.