Mid-key values give Fedir Krychevsky its characteristic quietness - nothing blazes, nothing disappears. Yellow, ochre, sienna: warm hues that Fedir Krychevsky deploys as the palette's primary energy. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. The highest-chroma note - #7C614E - appears at just 10.9%, deployed as a precision accent against the quieter ground. Spanning 44 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. Palette 4 sits within the larger chromatic argument that Fedir Krychevsky's complete body of work advances.