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Colorflow Academy | Tools

Colorflow Academy Tools

Three practical helpers to improve color consistency, reduce waste, and speed up production.

Delta E Color Calculator

Measure color difference with professional accuracy.

  • Enter LAB values or use a color picker
  • Results under standard illuminants D50 and D65
  • Includes easy interpretation guide from imperceptible to significant
  • Educational and essential for color quality assurance
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Spot Color Swatch Sheet Generator

Generate color accurate customised fan deck styled swatches that show how spot colors and brand colors will reproduce in your print process.

  • Export in CMYK, Lab or spot color modes
  • See expected ΔE between the intended brand color and how it will reproduce in production
  • Designers and brand owners can compare reproduction across different processes
  • Printers can demonstrate color knowledge and professionalism with honest, data led swatch guides
  • Clients see in advance what is realistically achievable on a given press
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Inspiration Color Cards

True ICC color in your browser (LittleCMS + WASM).

  • Convert to CMYK, RGB, HEX and Lab with real press profiles
  • Export palettes to Adobe ASE and CXF3
  • Generate A5 or A4 Inspiration Card PDFs in one click
  • Choose rendering intent and Black Point Compensation
  • ICC aware with consistent fallback to sRGB when needed
  • 100% client side so your images never leave your device
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SCCA Substrate Corrected Color Aims Calculator

Adjust spot color Lab values when moving from one substrate to another.

  • Browser based tool to adjust spot color Lab values between papers
  • Enter reference and new paper white values, with optional dark anchor values, applying ISO/PAS 15339-1 substrate correction logic
  • Supports both 1 anchor (paper white only) and 2 anchor (paper white plus max black or neutral) mappings
  • Calculates corrected Lab values and ΔE00 differences instantly, with clean tabular results and CSV export
  • Lightweight, runs completely client side, no server or external dependencies
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