In the pot, Acid reads as a cool green, light and moderate. For modelling, drop to Pastel Green in the recesses and step up to Verdigris on the edges, both Vallejo paints. Substitutes are thinner on the ground; AK Interactive Green Sky is the nearest same-finish option at 97 percent, with 1 brand in strong-match range. Expect a close but not identical result from a swap, so check it on the model before committing a whole unit.
Acid equivalents across other brands
The short answer: yes, Acid has a true equivalent. If the pot runs dry mid project, here is the closest color each brand offers.
Closest AK Interactive equivalent: AK Interactive Green Sky, indistinguishable once dry (delta E 0.6).
- Best Two Thin Coats option: Two Thin Coats Goblinoid Green, a usable stand-in rather than a twin (delta E 4.9).
- From Citadel: Citadel Orruk Flesh, workable at tabletop distance, not up close (delta E 6.0).
- The Army Painter's closest color: The Army Painter Grotesque Green, a usable stand-in rather than a twin (delta E 6.1).
- Nearest in the Humbrol catalog: Humbrol Beige Green, only a loose relative (delta E 8.6).
- Best Tamiya option: Tamiya Sky, only a loose relative (delta E 8.8).
We checked the Lab numbers for a hidden catch and there is none: lightness and temperature both line up, so this swap is as safe as they come.
How to read the score
90+Close
80sUsable
<70Mix
AK Interactive
Two Thin Coats
Citadel
The Army Painter
Humbrol
Tamiya
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 Acid?
The closest same-finish match is AK Interactive Green Sky at 97% color similarity.
What color is Acid?
Acid is a light moderate green with a cool undertone (hex #85AF77).
What do I highlight and shade Acid with?
Highlight Acid toward Verdigris and shade it down into Pastel Green, both Vallejo paints in the same finish family.