Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add Dragoon0x/everything-design-taste --skill color-systemsgit clone --depth 1 https://github.com/Dragoon0x/everything-design-tasteWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/dragoon0x/everything-design-taste/color-systems)<a href="https://agentmods.dev/skills/dragoon0x/everything-design-taste/color-systems"><img src="https://agentmods.dev/badge/skills/dragoon0x/everything-design-taste/color-systems/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/dragoon0x/everything-design-taste/color-systems"><img src="https://agentmods.dev/badge/skills/dragoon0x/everything-design-taste/color-systems.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00024 | $0.00700 |
| Opus 5.5 | $0.00010 | $0.00280 |
| Sonnet 5.5 | $0.00005 | $0.00140 |
| Haiku 4.5 | $0.00002 | $0.00070 |
Grade A, and why
color-systems scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 81 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Color Systems
Building a Palette
The 60-30-10 Rule
- 60% dominant color (backgrounds, large surfaces)
- 30% secondary color (cards, sections, supporting elements)
- 10% accent color (CTAs, active states, key interactive elements)
Systematic Palette Generation
Start with one brand color. Build everything from there.
-
Generate a hue scale — Create 10 steps from near-white to near-black
- 50 (lightest background)
- 100 (subtle background)
- 200 (border/divider)
- 300 (placeholder/disabled)
- 400 (secondary text)
- 500 (body text on light)
- 600 (primary interactive)
- 700 (hover state)
- 800 (heading text)
- 900 (darkest text)
-
Add functional colors — These are non-negotiable:
- Error/destructive (red family)
- Warning (amber/yellow family)
- Success (green family)
- Info (blue family)
- Each needs at least 3 values: light (bg), medium (text), dark (border)
-
Add neutrals — Gray scale that harmonizes with brand hue
- Warm grays if warm brand color
- Cool grays if cool brand color
- Never pure gray (#808080) unless intentionally brutalist
Perceptual Uniformity
Not all colors are equally bright to the human eye. Green appears brighter than blue at the same lightness value. When creating color scales:
- Use OKLCH or CIELAB color space instead of HSL
- Test colors at the same L value to ensure visual consistency
- Yellow needs to be darker than blue to appear "equal" in a UI
Accessibility
Contrast Requirements (WCAG AA)
- Body text: 4.5:1 minimum
- Large text (18px+ or 14px bold): 3:1 minimum
- UI components and graphical objects: 3:1 minimum
- Decorative elements: no requirement
Contrast Checklist
- Text on background (both themes)
- Icon on background
- Button text on button background
- Form input text on input background
- Placeholder text (yes, this counts)
- Focus ring visibility
- Link text vs surrounding text
Color Blindness
- Never use color alone to convey information
- Red/green is the most common confusion (8% of males)
- Add icons, patterns, or labels alongside color indicators
- Test with deuteranopia and protanopia filters
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 81 lines · 24 tokens per session scan A b2e859d0223e
color-systems is a skill published in the GitHub repository Dragoon0x/everything-design-taste (13 stars, last pushed 6mo ago), licensed MIT. It adds 24 tokens to every session and 700 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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