Trace vectors v8 — Color changer line
Three numerals striped like holographic foil, joined by a twisting band; a vertical line sweeps the frame and flips the set between violet and full rainbow.
The digits 1, 2 and 3 stand in a row, their outlines filled with fine diagonal spectrum stripes and joined by a band that twists between them; a hairline vertical rule travels across the width.
Twenty-one intermediate outlines bridge the digits, each strand's hue phase picked from noise and its opacity strobed by nested sines — that interference is the foil-like striping. The travelling line is one eased scalar that doubles as the palette switch: until its pass completes, every strand holds a flat violet, then the cycling rainbow takes over the whole set at once.
