Values in Nathan Altman rest in the mid-range - neither dramatically lit nor steeped in shadow. Nathan Altman keeps warm and cool in parity, a balance that lends the work a perceptual shimmer. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. The highest-chroma note - #1A291E - appears at just 10.9%, deployed as a precision accent against the quieter ground. At 63 units of value range, the palette has the tonal breadth to sustain complex spatial readings. In the context of Nathan Altman's full range of palettes, group 3 represents one movement in an ongoing chromatic dialogue.