Textile Colorimetry & Dyebath Formulation Assistant
Convert spectral data into precise dye recipes and fastness predictions
What You Can Do
You can input spectral reflectance data, customer color swatches, or CIE Lab* values and receive detailed dye combination recipes scaled to production batch sizes. The skill calculates color differences (ΔE) against standards, predicts fastness performance across light, wash, and crocking exposure, flags metamerism risks, and identifies incompatible dye class combinations—all structured for immediate handoff to production teams.
Features
converts raw colorimetric data into actionable color specifications
compares customer samples against internal standards with pass/fail metrics
identifies compatible dye classes and weight percentages for target hue and saturation
estimates light, wash, and crocking fastness based on dye chemistry and fiber type
produces production-ready formulations with material weights, temperatures, and timing
alerts to potential color shifts under different light sources and dye interaction risks
exports color properties, fastness data, and batch notes for sales and quality assurance handoff
adjusts recommendations for cotton, polyester, wool, and blend substrates
Example Output
Example 1: Customer Color Matching
Input: L* 45.2, a* 12.8, b* 28.5 (customer swatch)
Output:
- Color Match Assessment: ΔE 1.2 vs. internal standard (PASS)
- Dye Recipe: 2.1% Acid Red 114, 0.8% Acid Yellow 25, 0.3% Acid Blue 113
- Fastness Prediction: Light (3-4), Wash (4), Crocking (3-4)
- Flags: Moderate metamerism risk under fluorescent lighting
Example 2: Production Batch Formulation
Input: 500 kg cotton dyebath, target L* 68, a* -2, b* 18 (khaki tone)
Output:
- Scaled Recipe: 10.5 kg Reactive Yellow 145, 2.0 kg Reactive Orange 16, salt/alkali buffers
- Process: 60°C start, 1.5°C/min ramp to 95°C, 60 min hold
- Fastness: Light (5), Wash (4-5), Crocking (4)
- Batch Notes: Stir at 8 rpm minimum; monitor pH 9.5-10.2
What's Included
- SKILL.md instruction file with colorimetry workflows and CIE standards reference:
- Spectral Data Template: CSV/JSON format for L*a*b*, spectral reflectance, and measurement conditions
- Dye Combination Matrix: common dye class compatibility chart (acid, reactive, disperse, vat) with fastness benchmarks
- Batch Scaling Worksheet: formulas for converting lab recipes to production volumes with temperature/time adjustments
- Fastness Assessment Checklist: light/wash/crocking evaluation framework keyed to dye chemistry
Who It's For
- Color scientists and spectrophotometrists managing textile dye formulations
- Textile production managers translating lab data into batch recipes
- Quality assurance teams evaluating color consistency and fastness compliance
- Sales engineers communicating color properties and limitations to customers
- Process chemists troubleshooting batch variations and shade drift
Best For
- Converting customer color swatches into production-ready dye recipes
- Calculating color differences (ΔE) against internal standards and tolerances
- Predicting and assessing lightfastness, washfastness, and crocking performance
- Optimizing dye combinations for target hue, saturation, and fastness across fiber types
- Generating technical briefs and batch documentation for production and quality teams
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