Matching it is straightforward: The Army Painter Royal Blue lands at 86 percent in the same finish, and 6 brands in all carry a close same-finish swap. In the pot, Summersea Blue reads as a cool blue, mid-tone and vivid. Shade down into Marine Blue, the nearest darker paint in the Green Stuff World line. In practice you can substitute across brands here without anyone noticing at arm's length.
Summersea Blue equivalents and near misses
Fair warning: nothing matches Green Stuff World Summersea Blue cleanly. The options below are the least bad, and every one of them drifts.
Closest The Army Painter equivalent: The Army Painter Royal Blue, close, with a hint of drift side by side (delta E 2.8).
From Vallejo: Vallejo Andrea Blue, a near match with visible drift up close (delta E 3.0).
Scale75's closest color: Scale75 Navy Blue, close, with a hint of drift side by side (delta E 3.2).
Nearest in the Monument Pro Acryl catalog: Monument Pro Acryl Sky Blue, a near match with visible drift up close (delta E 3.7).
The drift here is spread thinly across hue, lightness and saturation rather than leaning one way, so the mismatch reads as a general haze at delta E 2.8 rather than an obvious shift.
How to read the score
90+Close
80sUsable
<70Mix
The Army Painter
Vallejo
Scale75
Monument Pro Acryl
Citadel
Two Thin Coats
P3 Paints
Humbrol
Tamiya
AK Interactive
About this color
Color profile
Highlight and shade ladder
Pairs well with
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Frequently asked
What is the closest equivalent to Green Stuff World Summersea Blue?
The closest same-finish match is The Army Painter Royal Blue at 86% color similarity.
What color is Summersea Blue?
Summersea Blue is a mid-tone vivid blue with a cool undertone (hex #0169B0).
What do I highlight and shade Summersea Blue with?
Shade Summersea Blue with Marine Blue in the same Green Stuff World range. For highlights, mix in a lighter tone or move to a brighter paint in the lane.