The first 18 Do-24Ks were delivered in whart was called the A Ikarol scheme; The top was Hollandgrau 103/2, also called RLMGrau 103/2 or Holland Grey. The bottom was entirely Silber 111/s (aluminum dope)

From 1938 and on the Fokker C.XIVw, Fokker T.viii and alsothe Dornier Do-24K received a revised color scheme, Ikarol B scheme; the upperside of the fuselage, wings and horizontal tails were fully painted in HollandGrau (Holland grey); The underside was Hollandgrau Hell (light Holland grey). Hollandgrau (dunkel), was also known as Fokker Grey; RLMgrau 02, Holland Grey or dark gray.

In the course of 1940 the remaining Do-24Ks were painted in similar colors as ordered PBY-5 Catalina flying boats: the top was dark blue-gray and the underside milk-white.
The American paint manufacturer was DuPont and used the numbers Dark Blue Gray DuPont 17-19459 respectively Milk White DuPont 17-021 [Source: Camouflageen Kentekens Badges by JHN Greuter et al.]

Scheme Colour name FS-number RLM Humbrol XtraColor Vallejo Model Color Vallejo Model Air
Delivery Scheme Do-24K-1: X-1 till X-18
Standard #1 Undersides Silver dope     191 / 56 X216 70.864 71.062
Upper surfaces Hollandgrau 103/2   RLM02 92 X201 70.886 71.044
Interior Hollandgrau 103/2   RLM02 92 X201 70.886 71.044
Colour scheme Dornier Do-24 K-1, X-19 and on; and Do-24K-2
Standard #2 Upper surfaces Dark Holland Grey   RLM02 92 X201 / X409 70.886 71.020
Undersides Light Holland Grey     129 X137 70.986  
Last colour scheme Dornier Do-24 K-1 and Do-24K-2
Standard #3 Upper Srufaces Dark Blue Grey abt. 35042 77 X008 70.898 71.091
Undersides Milky White     90 (+ white) X007 (+ white)   71.103 (+ white)

Check www.paint4models.com for an extensive conversion table with lots of colour and paint systems.

Dornier Do24K1-1A-SMALL
Delivery scheme of first twelve Dornier Do-24k1, no 20 mm canon.
Dornier Do24K1-1A-SMALL
Delivery scheme Dornier Do-24k1 (X-13 and on), with 20 mm canon.
Dornier Do24K1-1A-SMALL
Second scheme of first twelve Dornier Do-24k1, rudder painted over.
Dornier Do24K1-1A-SMALL
Second scheme Dornier Do-24K1 (X-13 and on), rudder painted over.
Dornier Do24K1-1A-SMALL
Third scheme of first twelve Dornier Do-24K1, with orange triangles and rudder.
Dornier Do24K1-1A-SMALL
Third scheme Dornier Do-24K1 (X-13 and on), with orange triangles and rudder.
Dornier Do24K1-1A-SMALL
Fourth scheme of first twelve Dornier Do-24K1, applied in NEI.
Dornier Do24K1-1A-SMALL
Fourth scheme Dornier Do-24K1 (X-13 and on), applied in NEI.  [Aviolanda never applied this colours on the Dutch Dornier].
Dornier Do24K1-1A-SMALL
Fifth scheme of first twelve Dornier Do-24K1, no triangle op uppersides of wings; smaller triangle on fuselage and rudder painted over.
Dornier Do24K1-1A-SMALL
Fifth scheme Dornier Do-24k1 (X-13 and on): no triangle op uppersides of wings; smaller triangle on fuselage and rudder painted over.
Dornier Do24K1-1A-SMALL
Sixth scheme of first twelve Dornier Do-24K1: orange triangles replaced by Dutch Flag.
Dornier Do24K1-1A-SMALL
Sixth scheme Dornier Do-24k1 (X-13 and on): orange triangles replaced by Dutch Flag.