Tricolor Flag Disambiguator & Vexillology Lab

Flag Vector Laboratory 2:3 vs 1:2 Morph

Netherlands (NEN 3055)

Ratio: 2:3 | Bright Vermilion, Silver White, Cobalt Blue

#AD1D25

#FFFFFF

#1E4785

Luxembourg

Ratio: 1:2 (Ensign) / 3:5 | Red, White, Sky Blue

#EA141D

#FFFFFF

#00A3E0

Comparison Target

Luxembourg Aspect

Prinsenvlag Evolution (1572 - Present) 1937 Decree

1572 (Orange/White/Blue) 1652 (Statenvlag) 1937 (NEN 3055)

Wilhelmina Royal Decree of 1937 formally standardized the colors as Bright Vermilion, Silver White, and Cobalt Blue (later specified in NEN 3055).

CIELAB Chromatic & Geometry Delta CIE76 & CIEDE2000 ΔE

Top Stripe Chromatic Distance: ΔE* = 12.4 (Perceptible)

Middle Stripe Distance: ΔE* = 0.0 (Identical White)

Bottom Stripe (Blue) Distance: ΔE* = 34.8 (High Contrast)

Vexillological Distinction: Netherlands uses deep Cobalt Blue (#1E4785) with a 2:3 aspect ratio. Luxembourg uses vivid Sky Blue / Bleu Céleste (#00A3E0) and is notably longer at 1:2 or 3:5.

Colorimetric Lab Specifications

          [Netherlands - NEN 3055]

          • Vermilion: #AD1D25 (L*: 33.2, a*: 55.4, b*: 35.1)

          • White:     #FFFFFF (L*: 100.0, a*: 0.0, b*: 0.0)

          • Cobalt:    #1E4785 (L*: 30.6, a*: 7.8, b*: -38.9)

          [Luxembourg - Grand-Ducal Reg.]

          • Red:       #EA141D (L*: 44.8, a*: 68.2, b*: 51.3)

          • Sky Blue:  #00A3E0 (L*: 62.1, a*: -18.2, b*: -44.5)