#A1B7A7
Tamiya

Light gray (IJA)

Aircraft Spray

air
semi-opaque
green

Color Information

HEX

#A1B7A7

RGB

161, 183, 167

LAB

72.4, -10.7, 5.6

Product Code

AS-18

Closest catalog-color match

Green Sea by Folk Art (ΔE 3.1)

Compatibility unverified: purpose: source not recorded or recognized; chemistry: source not recorded or recognized; application: candidate not recorded or recognized; effect: both products not recorded or recognized; finish: both products not recorded or recognized; opacity: candidate not recorded or recognized. ΔE 3.1 gives a small catalog color gap. Check product specifications before substituting.

Cross-class catalog match

Grey-blue 1920s-1930s by AK Interactive (ΔE 2.3)

application: spray vs airbrush. ΔE 2.3 gives a small catalog color gap. Color-only comparison, not a functional substitute.

Light gray (IJA) catalog data

More from Tamiya

Light gray (IJA) by Tamiya (product code AS-18) is cataloged as air, semi-opaque, Aircraft Spray in the green color family.

Catalog color data: HEX #A1B7A7, RGB 161/183/167, and CIELAB 72.4/-10.7/5.6. These values describe the listed digital color and can differ from dried paint under real-world lighting.

PaintAtlas lists 14 related catalog colors for this paint. ΔE measures the distance between the listed digital color values only; it does not describe opacity, finish behavior, or how the paint covers a surface. Cross-class matches, such as metallic against conventional paint, are shown as digital color only and are never presented as verified substitutes.

How PaintAtlas computes ΔE and catalog matches

How to choose a paint substitute

Technical Color Analysis

Light gray (IJA) is a light green with light value (L*: 72.4). This neutral color has muted saturation (chroma: 12.1), making it excellent for highlights and focal points and great for realistic, weathered effects.

LightnessL* 72.4

Light

Temperatureneutral

neutral

SaturationC* 12.1

Muted

Bright color good for edge highlights, light sources, and focal point emphasis.

Balanced temperature that works harmoniously with both warm and cool palettes. Versatile for various applications.

Subtle, understated color. Excellent for realistic effects, weathering, and natural materials.

Recommended Undercoats

White or Light Grey

Light colors cover best and show truest over light primers

Layering & Paint Order Guide

Highlight Paint
70% confidence

Light value suitable for first highlights or overall brightening

Suggested Layer Progression

Shadow
Base
Layer
Highlight

This paint works best as a highlight in your layering sequence.

Layering Tips

  • Apply each layer to progressively smaller areas, leaving previous layers visible
  • Maintain consistent light direction across all layers
  • Thin paints for smoother transitions between layers