
My Season Colors
Color Analysis App
Color Palette Quiz
Adobe Color CC
AIcoloranalysis.AI
Coolors.co
ColorSlurp
Point your phone at anything. Get the palette, the harmony, the temperature map, and the value structure. Color analysis built by someone who actually mixes paint.

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Website, pricing, platforms and company facts side by side.
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| Website | paintingstack.com | opalstack.com |
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| Company | Startup from Chile · 1 - 9 employees · 2026 | — |
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In their own words, as submitted to SaaSHub.


Undertone analyzes the color structure of any image in four layers, so you understand why a palette works instead of just grabbing its hex codes. Point your phone at a scene, or pick a photo, and Undertone breaks it down: Palette with proportions — dominant colors shown by how much of the image...
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As answered by people managing Undertone - Color Analysis and Opalstack.
Undertone - Color Analysis's answer
Most color tools hand you five flat swatches and a hex code. Undertone shows you the structure underneath: the palette by how much of the image each color actually occupies, the harmony relationships on the color wheel, the warm and cool temperature zones, and the light-to-dark value arrangement. It is built from a painter's perspective, to explain why a set of colors works, not just to name them. Everything runs on your device, with no account and no AI guesswork.
Undertone - Color Analysis's answer
Adobe Color, Coolors, and similar tools are built for picking palettes and grabbing hex codes for inspiration. Undertone is built for understanding. It breaks an image into four structural layers (palette with proportions, harmony, temperature, and value) so you learn to see why a reference works instead of just copying its colors. It is private by default (on-device, no account, no ads), and it is a one-time purchase rather than a subscription.
Undertone - Color Analysis's answer
People who work with color regularly (painters, photographers, designers, interior designers, and game and environment artists) and have enough visual literacy to know when something looks right, but not enough training to explain why. They value craft over convenience, would rather learn to see than be handed a hex code, and want a serious instrument built by someone who actually mixes paint, not an AI toy.
Undertone - Color Analysis's answer
Undertone came from a simple frustration: existing color apps are built for designers grabbing hex codes, not for people trying to understand color the way a painter does. A student can see that a master's color choices work but cannot articulate why, because the answer lives in temperature and value relationships that no tool makes visible. Undertone was built to close that gap, to turn the invisible structure of color into something you can actually see and learn from.
Undertone - Color Analysis's answer
Flutter and Dart.
Undertone - Color Analysis's answer
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