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Colorize

Skill educlopez/ui-craft/.opencode/skills/colorize

Design engineering system for AI coding agents — ship UI with craft-level quality. Install as an agent skill.

Install
npx -y skills add educlopez/ui-craft --skill colorize

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

What its author says it does

Copied from the file, not written here

Color strategy pass — introduces a single accent at 3-5 intentional placements, or reduces an over-colored UI back to 90% neutral. Use when the UI has no color identity, uses blue by default, or is shouting with too many competing accents. Invoke when the user asks for colorize on their UI, or mentions 'colorize' alongside design / UI / frontend work.

SKILL.md

3.2 KB, 736 tokens by cl100k_base, as published. Nobody here has run it

<!-- HARNESS MIRROR — do not edit here. Canonical source: skills/ or commands/. After editing source, copy into cli/assets/<harness>/ and repo-root harness mirrors. -->

Context: this sub-skill is one lens of the broader ui-craft skill. If the ui-craft skill is also installed, read its SKILL.md first for Discovery + Anti-Slop + Craft Test, then apply the specific lens below.

Add color to the UI at $ARGUMENTS. Load the ui-craft skill.

The rule (from SKILL.md): 90%+ neutral, one accent, 3-5 placements per viewport. Reinforce this before adding anything. More color is not more design.

Before you touch anything — ask about brand. If a brand color exists, use it. If not, offer 2-3 options in OKLCH — include one warm (e.g., oklch(0.67 0.19 45)) and one cool (e.g., oklch(0.60 0.18 250)). Never default to blue.

Where color EARNS its place:

  • Primary CTA background.
  • One key metric tint — accent at ~8% opacity as a subtle background, accent at full strength on the number itself.
  • Active state of the current nav item (underline, dot, or subtle tint — pick one).
  • Status dots (success / warning / danger), 6-8px, no pills.
  • Focus ring (:focus-visible).

Where color does NOT go (anti-slop territory):

  • Heading gradient text.
  • Colored left or top borders on every card.
  • Uniform chips on every tag/label.
  • Emoji-as-icons to inject "color."
  • Trend arrows in green/red when a plain ↑/↓ + tabular-nums would read cleaner.

Knob gating (VISUAL_DENSITY):

  • ≤ 4 → single accent only, max 3 placements.
  • 5-7 → single accent, 3-5 placements, status dots allowed.
  • 8+ → semantic palette (success/warning/danger) allowed beyond the single accent — dashboards and data UIs earn this.

Over-colored? Reduce.

If the UI is already shouting with color, this command also removes color.

  1. Count accents per viewport. Cut to 1-3. The primary CTA keeps its accent; everything else goes neutral unless it's a true semantic state (success/warning/danger on a real status).
  2. Mute decorative color. Background patterns, tinted cards without meaning, colored left borders on every list item, heading gradients, colored pills on every tag → gone.
  3. Keep semantic, cut decorative. Status dots, focus rings, active-nav underlines stay. Color as ornament goes.

References to read: references/color.md (OKLCH, tokens, dark mode, contrast), references/accessibility.md (contrast ratios for AA/AAA).

Output: edit code directly. Lift any literal hex into CSS variables (--color-accent, --color-accent-tint) — respect existing token naming if present. Print the Review Format table. One row per placement, with the ratio check (AA/AAA) on text uses.

Next step: /tokens — promote the color decisions into the durable token spine so they survive the session (rung 2).

Gives 0 of the 12 instructions most design frontend skills give in 736 tokens

Counted across 1,169 of the 1,878 authors here whose files we hold, read 2026-08-07

  • use css variables for color consistencyin 72 of 1169, across 23 files
  • commit to one bold aesthetic direction before codingin 72 of 1169, across 27 files
  • match implementation complexity to the aesthetic visionin 70 of 1169, across 20 files
  • add atmospheric background effects and texturesin 57 of 1169, across 9 files
  • use unexpected spatial compositions and layoutsin 56 of 1169, across 8 files
  • implement real working codein 55 of 1169, across 7 files
  • vary themes and aesthetics across different designsin 48 of 1169, across 7 files
  • launch chromium in headless modein 47 of 1169, across 4 files
  • close the browser when donein 47 of 1169, across 4 files
  • run provided scripts with help flag firstin 47 of 1169, across 4 files
  • wait for network idle statein 47 of 1169, across 4 files
  • use descriptive selectors for elementsin 47 of 1169, across 4 files

Said here and by no other author read

  • load the ui-craft skill
  • print the review format table
  • maintain 90 percent neutral color
  • place accent in 3 to 5 places per viewport
  • use existing brand color if available
  • offer 2 to 3 oklch color options

Grouped from the skills themselves: near-identical wordings counted once, and counted by distinct author, so one author publishing three of these counts once. Length counted with cl100k_base; the agent that loads this file may tokenize it differently.

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