Mid-key values give Ralph Blakelock its characteristic quietness - nothing blazes, nothing disappears. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. #66391B delivers the chromatic peak at only 5.7% - a small shot of colour with outsized visual impact. A value spread of 62 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. Ralph Blakelock's palette 4 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.