No shortage of substitutes here, Boar Hide from Two Thin Coats matches at 87 percent and 4 brands carry a strong same-finish near-match. Flat Brown sits in the red family: dark in tone, moderate in saturation, warm in cast. For modelling, drop to Leather Brown in the recesses and step up to Us Olive Drab on the edges, both Vallejo paints. Treat it as an easy swap, just confirm the finish type matches before you commit.
Flat Brown equivalents in other ranges
Flat Brown is awkward to replace. Treat the matches below as starting points for a mix rather than straight swaps.
Closest Two Thin Coats equivalent: Two Thin Coats Boar Hide, a near match with visible drift up close (delta E 2.5).
From Revell: Revell Reddish Brown (RAL 3009), close, with a hint of drift side by side (delta E 3.4).
Monument Pro Acryl's closest color: Monument Pro Acryl Shadow Flesh, a near match with visible drift up close (delta E 3.8).
Nearest in the Tamiya catalog: Tamiya Flat Brown, close, with a hint of drift side by side (delta E 4.0).
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 2.5 rather than an obvious shift.
How to read the score
90+Close
80sUsable
<70Mix
Two Thin Coats
Revell
Monument Pro Acryl
Tamiya
Scale75
AK Interactive
Citadel
Humbrol
The Army Painter
About this color
Color profile
Highlight and shade ladder
Pairs well with
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Where painters use it
Frequently asked
What is the closest equivalent to Vallejo Flat Brown?
The closest same-finish match is Two Thin Coats Boar Hide at 87% color similarity.
Is there a Citadel equivalent of Flat Brown?
Yes. The closest Citadel option is Bugman's Glow at 76%, a same-finish match.
What color is Flat Brown?
Flat Brown is a dark moderate red with a warm undertone (hex #703F38).
What do I highlight and shade Flat Brown with?
Highlight Flat Brown toward Us Olive Drab and shade it down into Leather Brown, both Vallejo paints in the same finish family.