Analyze images like a painter by visualizing values, color temperatures, and composition. Understand the underlying structure and pigment colors of any reference photo or artwork. Save your analyses for future reference.
5.13.0
November 6, 2026
See any image the way a painter does: values, warm and cool, composition and real pigment colors. Premium shows its price right on the button: one payment, lifetime access. Tall pictures stay sharp in your history, and every name field says what goes in it.
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Undertone helps artists see images like a painter by analyzing values, color temperature, composition, and pigment colors. It makes visible the elements artists typically check before painting.
Undertone strips images to grayscale and divides them into clear tonal zones. It offers two values for a notan and up to nine tonal steps in its premium version, automating the painter's squint.
Yes, Undertone displays dominant colors by actual weight and matches them to the closest real pigment names, like Yellow Ochre, rather than generic color descriptions. It also plots these colors on a wheel.
The premium version of Undertone offers ten types of composition guides, including the rule of thirds and the golden ratio. It highlights the guides that the image actually follows and indicates how closely it matches.
No, Undertone offers a premium version as a one-time purchase. There is no subscription required for its advanced features.
The free version allows 20 analyses with Original, Temperature, Values, and Saturation modes. Premium unlocks Composition, Contrast, tinted value bands, advanced notan and tonal steps, unlimited history, and higher-resolution export.
Yes, Undertone is supported on macOS, iPhone, iPad, and iPod, allowing artists to study images across their Apple devices.
The latest version, 5.13.0, was released on November 6, 2026, indicating a recent update. The app is generally kept up-to-date by its developer, Paintingstack Technologies SpA.
