Color Fastness Prediction Calculator
Predict expected wash and light fastness ratings from dye type, fiber, and shade depth.
Inputs
%
Results
Wash Fastness (1-5)
4.5
Light Fastness (1-8)6
Dry Rub Fastness (1-5)4
Wet Rub Fastness (1-5)3.5
Overall RatingGood
How to Use This Calculator
- Enter Dye Type, Reactive, and Disperse.
- Set Acid, Direct, and Vat.
- Adjust Fiber Type, Cotton as needed.
- Review the Wash Fastness (1-5) result.
- Use Light Fastness (1-8) and Dry Rub Fastness (1-5) to inform your decision.
What each input means
- Dye Type
- The class of dye used
- Fiber Type
- The primary fiber being dyed
- Shade Depth
- Dye percentage on weight of fiber (0.5=pale, 2=medium, 5=dark)
How this is calculated
Worked example, using the default values
- Identify Input ParametersDye Type = 0, Fiber Type = 0, Shade Depth = 2 = 3 input(s) provided
- Calculate Wash FastnessWash Fastness4.5 = 4.5
- Calculate Light FastnessLight Fastness6 = 6
- Calculate Dry Rub FastnessDry Rub Fastness4 = 4
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