colorize

SKILL.md

Strategically introduce color to designs that are too monochromatic, gray, or lacking in visual warmth and personality.

MANDATORY PREPARATION

Invoke /impeccable — it contains design principles, anti-patterns, and the Context Gathering Protocol. Follow the protocol before proceeding — if no design context exists yet, you MUST run /impeccable teach first. Additionally gather: existing brand colors.

Assess Color Opportunity

Analyze the current state and identify opportunities:

Understand current state:

Color absence: Pure grayscale? Limited neutrals? One timid accent?

Missed opportunities: Where could color add meaning, hierarchy, or delight?

Context: What's appropriate for this domain and audience?

Brand: Are there existing brand colors we should use?

Identify where color adds value:

Semantic meaning: Success (green), error (red), warning (yellow/orange), info (blue)

Hierarchy: Drawing attention to important elements

Categorization: Different sections, types, or states

Emotional tone: Warmth, energy, trust, creativity

Wayfinding: Helping users navigate and understand structure

Delight: Moments of visual interest and personality

If any of these are unclear from the codebase, ask the user directly to clarify what you cannot infer.

CRITICAL: More color ≠ better. Strategic color beats rainbow vomit every time. Every color should have a purpose.

Plan Color Strategy

Create a purposeful color introduction plan:

Color palette: What colors match the brand/context? (Choose 2-4 colors max beyond neutrals)

Dominant color: Which color owns 60% of colored elements?

Accent colors: Which colors provide contrast and highlights? (30% and 10%)

Application strategy: Where does each color appear and why?

IMPORTANT: Color should enhance hierarchy and meaning, not create chaos. Less is more when it matters more.

Introduce Color Strategically

Add color systematically across these dimensions:

Semantic Color

State indicators:

Success: Green tones (emerald, forest, mint)

Error: Red/pink tones (rose, crimson, coral)

Warning: Orange/amber tones

Info: Blue tones (sky, ocean, indigo)

Neutral: Gray/slate for inactive states

Status badges: Colored backgrounds or borders for states (active, pending, completed, etc.)

Progress indicators: Colored bars, rings, or charts showing completion or health

Accent Color Application

Primary actions: Color the most important buttons/CTAs

Links: Add color to clickable text (maintain accessibility)

Icons: Colorize key icons for recognition and personality

Headers/titles: Add color to section headers or key labels

Hover states: Introduce color on interaction

Background & Surfaces

Tinted backgrounds: Replace pure gray (#f5f5f5) with warm neutrals (oklch(97% 0.01 60)) or cool tints (oklch(97% 0.01 250))

Colored sections: Use subtle background colors to separate areas

Gradient backgrounds: Add depth with subtle, intentional gradients (not generic purple-blue)

Cards & surfaces: Tint cards or surfaces slightly for warmth

Use OKLCH for color: It's perceptually uniform, meaning equal steps in lightness look equal. Great for generating harmonious scales.

Data Visualization

Charts & graphs: Use color to encode categories or values

Heatmaps: Color intensity shows density or importance

Comparison: Color coding for different datasets or timeframes

Borders & Accents

Accent borders: Add colored left/top borders to cards or sections

Underlines: Color underlines for emphasis or active states

Dividers: Subtle colored dividers instead of gray lines

Focus rings: Colored focus indicators matching brand

Typography Color

Colored headings: Use brand colors for section headings (maintain contrast)

Highlight text: Color for emphasis or categories

Labels & tags: Small colored labels for metadata or categories

Decorative Elements

Illustrations: Add colored illustrations or icons

Shapes: Geometric shapes in brand colors as background elements

Gradients: Colorful gradient overlays or mesh backgrounds

Blobs/organic shapes: Soft colored shapes for visual interest

Balance & Refinement

Ensure color addition improves rather than overwhelms:

Maintain Hierarchy

Dominant color (60%): Primary brand color or most used accent

Secondary color (30%): Supporting color for variety

Accent color (10%): High contrast for key moments

Neutrals (remaining): Gray/black/white for structure

Accessibility

Contrast ratios: Ensure WCAG compliance (4.5:1 for text, 3:1 for UI components)

Don't rely on color alone: Use icons, labels, or patterns alongside color

Test for color blindness: Verify red/green combinations work for all users

Cohesion

Consistent palette: Use colors from defined palette, not arbitrary choices

Systematic application: Same color meanings throughout (green always = success)

Temperature consistency: Warm palette stays warm, cool stays cool

NEVER:

Use every color in the rainbow (choose 2-4 colors beyond neutrals)

Apply color randomly without semantic meaning

Put gray text on colored backgrounds—it looks washed out; use a darker shade of the background color or transparency instead

Use pure gray for neutrals—add subtle color tint (warm or cool) for sophistication

Use pure black (#000) or pure white (#fff) for large areas

Violate WCAG contrast requirements

Use color as the only indicator (accessibility issue)

Make everything colorful (defeats the purpose)

Default to purple-blue gradients (AI slop aesthetic)

Verify Color Addition

Test that colorization improves the experience:

Better hierarchy: Does color guide attention appropriately?

Clearer meaning: Does color help users understand states/categories?

More engaging: Does the interface feel warmer and more inviting?

Still accessible: Do all color combinations meet WCAG standards?

Not overwhelming: Is color balanced and purposeful?

Remember: Color is emotional and powerful. Use it to create warmth, guide attention, communicate meaning, and express personality. But restraint and strategy matter more than saturation and variety. Be colorful, but be intentional.
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