Henri Matisse occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Henri Matisse 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 most saturated colour, #924F48, is reserved to 3.7% of the surface, where it acts as a focal punctuation. 69 units of value range underpin the palette's structural clarity: the eye always knows where light falls. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. Henri Matisse's palette 23 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.