#687E8B
Vallejo

Medium Gray

Model Air

air
semi-opaque
blue

Color Information

HEX

#687E8B

RGB

104, 126, 139

LAB

51.5, -4.9, -9.7

Product Code

71.114

Closest catalog-color match

Fs35237 Blue Gray Amt-11 by AMMO by Mig (ΔE 2.1)

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 2.1 gives a small catalog color gap. Check product specifications before substituting.

Medium Gray catalog data

More from Vallejo

Medium Gray by Vallejo (product code 71.114) is cataloged as air, semi-opaque, Model Air in the blue color family.

Catalog color data: HEX #687E8B, RGB 104/126/139, and CIELAB 51.5/-4.9/-9.7. These values describe the listed digital color and can differ from dried paint under real-world lighting.

PaintAtlas lists 18 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

Medium Gray is a blue with medium value (L*: 51.5). This cool color has muted saturation (chroma: 10.8), making it versatile for base coats and general coverage and great for realistic, weathered effects.

LightnessL* 51.5

Medium

Temperaturecool

cool

SaturationC* 10.8

Muted

Balanced midtone suitable for base coats and general coverage across various subjects.

Cool color that recedes visually. Creates depth and calm. Excellent for shadows when mixed with warm base tones.

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

Recommended Undercoats

Grey

Neutral primer works well with medium-toned colors

Zenithal

Pre-establishes highlights and shadows for faster painting

Layering & Paint Order Guide

Base Paint
60% confidence

Versatile midtone that can serve as base coat or adjusted layer

Suggested Layer Progression

Shadow
Base
Layer
Highlight

This paint works best as a base 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