December Nights by Kilz paint color
Paint Color HQ
BrandsColorsInspirationBlogTools
Search colors...Sign in

Ref. #7C878E · TB-36

December Nights

24%LRV Value
Cool (Blue)Undertone
Save
Home/Kilz/December Nights

December Nights Technical Profile

What color is December Nights? It's a deep cool gray with the hex code #7C878E. Colors similar to December Nights include RAL Squirrel Grey, Sherwin-Williams Storm Cloud, RAL Telegrey 2. December Nights has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 24, December Nights creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. As a cool neutral, December Nights pairs with cool whites for trim, gray-toned or rift-cut oak floors, and brushed nickel or polished chrome hardware. Black accents and natural greenery add contrast. Cool neutrals hold their crisp quality under 4000K+ daylight bulbs. Under 2700K warm light they soften considerably — particularly true for any blue or green undertone.

HEX Code#7C878E
RGB124, 135, 142
LRV23.6
UndertoneCool (Blue)
Color Familygray
BrandKilz
Generate PaletteCompareBuy at KilzBuy at Home Depot

Colors Similar to December Nights

Closest digital match based on color values. Always verify with physical samples.

Squirrel Grey

RAL

Nearly identical

Storm Cloud

Sherwin-Williams

Nearly identical

Academy Gray

Valspar

Very similar

London Road

Hirshfield's

Very similar

Garrison Gray

PPG

Very similar

Cold Steel

Behr

Very similar

Stone Age

Vista Paint

Very similar

Englewood Cliffs

Benjamin Moore

Very similar
Recommended Pairings

Colors That Work With December Nights

Timeless pairing with clean white trim and a tonal accent wall

Living room with applied paint colors

Side Walls

December Nights

#7C878E

Accent Wall

Tonal Shift

A warm shift that adds depth without clashing.

#8589AD

Trim & Molding

Pure White

Crisp white trim for a clean, traditional look.

#FFFFFF

Customize in Room VisualizerExplore full palette →

Color Palettes for December Nights

Color harmonies based on color theory — each swatch links to the closest matching paint.

Opposite on the color wheel — creates vibrant contrast

Base

Bachelor Blue

Complement

Eagle Rock

December Nights Room Palettes

Color schemes built around this color — each swatch links to the closest matching paint.

Walls

Cool Fog

Trim

Contemporary White

Accent

This Color

Pop

Vivid Lime

Warm & Inviting

Warm tones with cozy appeal — welcoming and comfortable

Walls

Lilac Cream

Trim

Ultra Bright White

Accent

This Color

Pop

Earthy Red

Cool & Calm

Cool hues with soft contrast — serene and restful

Walls

Ice Cavern

Trim

Ultra Bright White

Accent

This Color

Pop

Hot August

Bold Contrast

Complementary hues with punch — dynamic and striking

Similar Kilz Colors

Other Kilz colors close to December Nights.

December Nights

Kilz · TB-36

#7C878E

Porpoise Gray

Kilz · RM110

#788791

Downpour

Kilz · RM100

#808C8B

Magical Twilight

Kilz · RB280-01

#7B8193

Warrior

Kilz · RB250-02

#838289

Lincoln Green

Kilz · TB-68

#818A83

More gray colors from other brands

Cross-brand colors in the gray family — useful when you want a similar look from a different brand.

Gray Area

Behr · 770F-4

#85A0A0

Charcoal Linen

Benjamin Moore · 2133-40

#7D8085

Rock of Ages

Vista Paint · K-921

#6F6A5D

Intercoastal Gray

Behr · MQ5-23

#A5B0B9

Rookwood Blue Green

Sherwin-Williams · 2811

#738478

Weeping Willow

Benjamin Moore · 629

#64856A

December Nights — Frequently Asked Questions

What undertone does December Nights have?
December Nights by Kilz has a cool (blue) undertone and belongs to the gray color family.
What colors match December Nights from other brands?
The closest matches are Squirrel Grey by RAL (#78858B), Storm Cloud by Sherwin-Williams (#7A848D), Telegrey 2 by RAL (#82898F). Always verify with physical samples.
What is the LRV of December Nights?
December Nights has an LRV of 23.6, where 0 is pure black and 100 is pure white.

Explore More with December Nights

See It on a Wall

Preview this color in a real room

How Much Paint?

Calculate gallons for your project

Browse gray Colors

Explore more shades in this family

Related Reading

How to Match Paint Colors Across Brands

The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.

Understanding Paint Color Undertones

Why December Nights's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.

Paint Color HQ

Architectural precision in every hue. Curating 23,000+ colors across 14 brands for modern spaces.

Directory

  • Sherwin-Williams
  • Benjamin Moore
  • Behr
  • PPG
  • Valspar
  • Dunn-Edwards
  • Farrow & Ball
  • All 14 Brands

Tools

  • Color Search
  • Compare Colors
  • Room Visualizer
  • Photo Color Identifier
  • Palette Generator
  • Paint Calculator

Resources

  • Blog
  • Inspiration Palettes
  • FAQ

Company

  • About
  • Contact
  • Privacy Policy
  • Terms of Service

Color Families

WhiteGrayBeigeBlueGreenRedYellowBlack

© 2026 Paint Color HQ. Color data is approximate. Always verify with physical samples before purchasing.