
The Story
RLM 78 Hellblau in its 1941 tone is the light blue underside of the Luftwaffe's tropical scheme — the colour beneath the sand-yellow uppers of Bf 109s baking over North Africa and the Mediterranean. Get the undersurfaces right and a desert airframe suddenly reads true.
At a glance
- AK Interactive 3rd Generation acrylic (ref AK11830), Air Series
- 17ml dropper bottle
- Matt finish with very high pigmentation and coverage
- Non-toxic and water-based — brush or airbrush ready
Best for
- Tropical and Mediterranean Luftwaffe undersides
- Period-accurate RLM 78 in its 1941 shade
- Airbrushing smooth undersurface coats when thinned with water or AK acrylic thinner
The 3rd Gen formula airbrushes cleanly for even undersides and brushes well for detail, giving a matt base ready for the sun-bleached weathering desert airframes wear so well.
The light blue under the desert scheme. Pair it with RLM 79 Sandgelb from the AK 3rd Gen range.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
RLM 78 Hellblau in its 1941 tone is the light blue underside of the Luftwaffe's tropical scheme — the colour beneath the sand-yellow uppers of Bf 109s baking over North Africa and the Mediterranean. Get the undersurfaces right and a desert airframe suddenly reads true.
At a glance
- AK Interactive 3rd Generation acrylic (ref AK11830), Air Series
- 17ml dropper bottle
- Matt finish with very high pigmentation and coverage
- Non-toxic and water-based — brush or airbrush ready
Best for
- Tropical and Mediterranean Luftwaffe undersides
- Period-accurate RLM 78 in its 1941 shade
- Airbrushing smooth undersurface coats when thinned with water or AK acrylic thinner
The 3rd Gen formula airbrushes cleanly for even undersides and brushes well for detail, giving a matt base ready for the sun-bleached weathering desert airframes wear so well.
The light blue under the desert scheme. Pair it with RLM 79 Sandgelb from the AK 3rd Gen range.













