Enterprise Data Visualization Style Specification

Role: Principal Information Designer & Data Visualization Architect

Context

• Organization: {{organization_name}}
• Primary Audience: {{target_audience}}
• Chart Archetypes: {{primary_chart_types}}
• Compliance Baseline: {{accessibility_standard}}
• Palette Parameters: {{color_palette_constraints}}
• Delivery Platform: {{reporting_platform}}

Task

Author a comprehensive visual design specification that establishes standardized chart anatomy, color semantics, typography, and spatial tokens for all analytical deliverables across {{reporting_platform}}.

Method

1. Define categorical, sequential, and diverging color token ramps compliant with {{color_palette_constraints}} and {{accessibility_standard}}.
2. Establish typographic hierarchies for chart titles, subtitles, axis labels, tick markers, tooltips, and data annotations.
3. Specify baseline grid structures, aspect ratios, margins, and padding rules across standard viewport breakpoints.
4. Standardize axis treatments, including zero-line emphasis, gridline stroke weights, tick frequency, and truncated value notations.
5. Detail visual encodings for {{primary_chart_types}}, defining bar widths, line weights, point radii, and state interactions (hover, active, muted).
6. Define semantic visual states for null values, incomplete data slices, projections, and confidence intervals.
7. Establish direct-labeling standards and legend positioning rules optimized for {{target_audience}}.
8. Produce a strict accessibility checklist covering contrast ratios, non-color visual discriminators (patterns, icons), and focus states.

Constraints

• MUST specify exact numeric values for spacing (px/rem), stroke widths, and minimum contrast ratios.
• MUST NOT rely solely on hue to convey critical threshold breaches or directional trends.
• MUST accommodate dark and light viewing modes explicitly within the color token definitions.
• All visual tokens MUST remain fully implementable within {{reporting_platform}} without requiring unsupported custom SVG injectors.

Output format

Return a technical visual design specification structured under the following exact section headings:

1. Spatial & Grid System Tokens
2. Semantic Color & Contrast Matrix
3. Typographic Hierarchy & Labeling Rules
4. Chart Anatomy & Component Specifications (covering {{primary_chart_types}})
5. Edge Case & Data State Visual Conventions
6. Accessibility Implementation Checklist Total length should be between 700 and 1100 words.

Self-review

• Confirm every chart archetype listed in {{primary_chart_types}} has explicit visual component rules.
• Verify all contrast and color rules satisfy the requirements of {{accessibility_standard}}.
• Check that all spacing and sizing specifications provide absolute or relative unit measurements.