António de Carvalho da Silva Porto is strongly light-biased - shadow is suggested rather than declared. 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. The most saturated colour, #CB9A5B, is reserved to 7.0% of the surface, where it acts as a focal punctuation. From deepest dark to palest light, the palette traverses 61 units of the value scale - a span that creates natural depth. Palette 3 sits within the larger chromatic argument that António de Carvalho da Silva Porto's complete body of work advances.