Darkness anchors Teófilo Castillo Guas; light is rationed, creating dramatic contrast rather than open air. Warmth dominates - the palette of Teófilo Castillo Guas leans heavily on the yellow-orange-red arc of the colour wheel. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. The dominant colour, #1E1912, takes 28.9% of the total area, establishing the overall mood before any other hue is introduced. #CEAD5E delivers the chromatic peak at only 1.4% - a small shot of colour with outsized visual impact. The palette spans 54 value units: a measured range that delivers coherence over drama. Together these qualities place Teófilo Castillo Guas firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. In the context of Teófilo Castillo Guas's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.