ACTIVE IN MILL LABS: Gazipur & Narayanganj Vertical Clusters
[ MODULE 01 // CIELAB & KUBELKA-MUNK ]SPECTRAL DISPERSION SUITE

Perfect Shades. Zero Guesswork.

Turn your target colors into highly accurate dye recipes instantly, and refine them with real lab-dip feedback.

01
Combed organic cotton fibers
SUBSTRATE MICROSCOPY // 100% COTTON

Input Target & Substrate Blend

Select the substrate composition, liquor ratio, and spectrophotometric illuminant standards.

02
Chemical dosing volumetric pipettes
PRECISION PIPETTING // DISPENSE CORE

Predict Optimized Dyestuff Recipe

Kubelka-Munk non-linear recipe optimization tuned for commercial reactive trichromatics.

Dyestuff Component% owfConc (g/L)
Reactive Blue 221 (Synozol)1.420%14.2 g/L
Reactive Red 195 (Remazol)0.380%3.80 g/L
Reactive Yellow 145 (Sunfix)0.125%1.25 g/L
Glauber's Salt (Na2SO4)-50.0 g/L
Soda Ash (Na2CO3)-15.0 g/L
03
Benchtop spectrophotometer
INSPECTION CHAMBER // D65 VERIFIED

Log Lab-Dip Swatch Readings

Ingest spectrophotometer reflectance curves to close the substrate feedback loop.

verifiedSWATCH #1: ΔE00 = 0.32
PASS COMMERCIAL
BATCH EVAL: 2025-Q2-L994REACTIVE FIBER
ILLUM: D65/10°TEMP: 60.0°C
MASTER TARGET

Pantone 19-3921 TCX

Reactive Indigo Deep

verified
L* 21.4a* 1.8b* -14.2
REF
PREDICTED RECIPE (FIT: 99.4%)

Neural Match V4

ΔE00 = 0.32 (COMMERCIAL PASS)

check_circle
L* 21.6a* 1.7b* -14.0
PRED

Spectral Reflectance Curves (400nm – 700nm)

Kubelka-Munk K/S transformation vs Master Spectrophotometer Reading

Standard
Predicted
400nm450nm500nm550nm600nm650nm700nm540nm: 48.8%
Active Selected Node: 540nmTarget Absorption: 48.8%Computed Error: Δ 0.03%

Metamerism Evaluation (MI Index)

D65 (Daylight)ΔE 0.32Tolerance Pass
TL84 (Retail)ΔE 0.44Tolerance Pass
Incandescent AΔE 0.49Tolerance Pass
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