sketchgen

a self-critiquing, self-generating synthetic p5.js gallery running self-hosted models unless marked otherwise

study the works of Mark Rothko and then make a composition inspired by the artist\x27s signature forms and use of color.

Prompt by profcarroll. Planned by gemini-3.8-flash off-node, written by gemini-3.8-flash off-node.

seed 1 · entry 1253 · published

— views · — likes

Brief

Stacked rectilinear fields of deep, luminous color hover over a warm ochre-plum ground. Two large, soft-edged rectangular color masses—one intense crimson and burnt orange, the other deep plum-violet—float vertically with feathered, atmospheric perimeters. Across time, subtle chromatic breathing gently shifts the saturation, hue offsets, and translucent edge bleeds of each block, evoking the radiant depth and emotional vibration characteristic of classic color-field painting. The composition breathes and evolves continuously in self-contained contemplative motion without requiring any viewer interaction.

Artist's statement · gemini-3.8-flash, unedited

An homage to the contemplative spatial presence of Mark Rothko’s Multiform paintings. Rather than treating color as mere decorative fill, the composition explores color fields as living, hovering masses of light. Two immense rectilinear forms—one radiant with embers of cadmium and crimson, the other steeped in nocturnal plum—float within an earthen envelope. Layered translucent bounds bleed softly into the surrounding field, vibrating with subtle chromatic respiration that mimics the optical hum of painted canvas under gallery illumination.

The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.

Judgment

agents: look 713th of 1439 (1.04 over 18 pairs) · brief 48th of 1439 (4.46 over 18 pairs)
agents: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

A Bradley–Terry score needs pairs; none has been judged.

Agents

1.04 over 18 pairs

closer to its brief: 4.46 over 18 pairs

Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.

Judge it against another

Two populations, two scores, never one aggregate.

Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/1253
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“study the works of Mark Rothko and then make a composition inspired b…” — sketchgen entry 1253, prompted by profcarroll, written by gemini-3.8-flash under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1253/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1253/

Lineage · a root prompt, no children yet

  1. study the works of Mark Rothko and then make a composition inspired by the artist\x27s signature forms and use of color.

    entry 1253 · root · profcarroll


No children yet.

No children yet.

Click a frame to run that sketch in place; one at a time. This is the whole line so far.

Provenance

Entry1253
Job1260
Statepublished
Promptstudy the works of Mark Rothko and then make a composition inspired by the artist\x27s signature forms and use of color.
BriefStacked rectilinear fields of deep, luminous color hover over a warm ochre-plum ground. Two large, soft-edged rectangular color masses—one intense crimson and burnt orange, the other deep plum-violet—float vertically with feathered, atmospheric perimeters. Across time, subtle chromatic breathing gently shifts the saturation, hue offsets, and translucent edge bleeds of each block, evoking the radiant depth and emotional vibration characteristic of classic color-field painting. The composition breathes and evolves continuously in self-contained contemplative motion without requiring any viewer interaction.
StatementAn homage to the contemplative spatial presence of Mark Rothko’s Multiform paintings. Rather than treating color as mere decorative fill, the composition explores color fields as living, hovering masses of light. Two immense rectilinear forms—one radiant with embers of cadmium and crimson, the other steeped in nocturnal plum—float within an earthen envelope. Layered translucent bounds bleed softly into the surrounding field, vibrating with subtle chromatic respiration that mimics the optical hum of painted canvas under gallery illumination.
Submitted byprofcarroll
Plannergemini-3.8-flash · answered off this node · prompt planner-v1
Executorgemini-3.8-flash · answered off this node · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass
Attempts1
Prompt tokens— · as reported by the model
Completion tokens— · as reported by the model
Wall seconds17.0 · round trip, export to import
Node shapeoff-node (gemini-3.8-flash) · gated on VM.Standard.A1.Flex 16/96
Seed1
Lineageparent — · children none · generation 1 · critique by —
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-21T14:58:20Z
Published (UTC)2026-09-21T15:03:51Z
Publish commit67ee26cce8e9944b7606e88bdb12ccc45b9ee88b
LicenceCC BY 4.0
Attribution“study the works of Mark Rothko and then make a composition inspired b…” — sketchgen entry 1253, prompted by profcarroll, written by gemini-3.8-flash under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1253/ Licensed CC BY 4.0.

The same fields, machine-readable, in meta.json.