Cross-brand swaps do not really exist for Signal Green; the closest color anywhere, The Army Painter Radiation Glow at 74 percent, sits in a different finish class, so it is a reference not a substitute. Signal Green is a very light vivid green with a cool undertone. For a true match, stick with the original; cross-brand substitutes will read as a different color.
Closest equivalents
The closest cross-brand match is The Army Painter Radiation Glow at 74% similarity. Same-finish paints rank before color-only matches.
How to read the score
90+Close
80sUsable
<70Mix
The Army Painter
About this color
Color profile
Pairs well with
Try any paint in the scheme toolMatch difficulty
Found in 0 other brands with a same-finish match.
Where painters use it
Frequently asked
What is the closest equivalent to Humbrol Signal Green?
No same-finish equivalent is close enough to call a straight swap. The nearest color overall is The Army Painter Radiation Glow at 74%, in a different finish class.
What color is Signal Green?
Signal Green is a very light vivid green with a cool undertone (hex #39FF14).