The value structure of Rudolf Ernst is mid-key: quiet, controlled, and cohesive. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. All colours lean toward grey, building depth through value rather than colour punch. #307B97 delivers the chromatic peak at only 1.3% - a small shot of colour with outsized visual impact. The value range of 47 units sits in the comfortable middle: enough depth, enough light, neither extreme. This is palette 6 of Rudolf Ernst's sequence - a single chapter in a chromatic story told across many works.