Isidoro Grünhut works almost entirely in the lower half of the value scale, privileging depth over brilliance. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The dominant colour, #1B191A, takes 35.4% of the total area, establishing the overall mood before any other hue is introduced. The highest-chroma note - #482A22 - appears at just 3.6%, deployed as a precision accent against the quieter ground. The full value range is 65 units: broad enough to build convincing three-dimensional form. This tonal restraint is characteristic of the Isidoro Grünhut approach: colour serves light, not the reverse. Isidoro Grünhut's palette 5 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.