NEUTRALS

December Sky

#D5D7D9

RGB 213, 215, 217 · HSL 210°, 5%, 84% · CMYK 2, 1, 0, 15

December Sky is #D5D7D9 in HEX — rgb(213, 215, 217), hsl(210°, 5%, 84%), cmyk(2%, 1%, 0%, 15%).

December Sky pulls into the airy end of the neutrals spectrum — HSL 210°, 5%, 84%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on main walls, trims, ceilings — versatile across nearly any style. Reads best alongside soft whites, natural wood, matte black trim, linen.

Color Codes

HEX#D5D7D9

RGB213, 215, 217

HSL210°, 5%, 84%

HSV210°, 2%, 85%

CMYK2, 1, 0, 15

Decimal14014425

CSS RGBrgb(213, 215, 217)

CSS HSLhsl(210, 5%, 84%)

Paint Matches — this color across 16 brands

Dunn-Edwards

December Sky DE6352

Exact match

Behr

Gray Shimmer MQ3-25

ΔE 0.6 · #D4D6D7

Dulux

Paramount Design SN4E2

ΔE 0.9 · #D2D6D8

Hallman-Lindsay

Desired Dawn 1314

ΔE 1.1 · #D8D7D9

Kilz

Genesis RJ220

ΔE 1.1 · #D3D4D6

RAL

Papyrus White 9018

ΔE 1.3 · #D7D7D7

Vista Paint

White Palace K-782

ΔE 1.3 · #D4D4D5

Benjamin Moore

Lavender CSP-515

ΔE 1.5 · #D0D5D8

Valspar

Pelican 4007-1A

ΔE 1.6 · #D1D6D6

IKEA

IKEA127 127

ΔE 1.7 · #D0D4D8

Sherwin-Williams

Olympus White SW6253

ΔE 1.7 · #D4D8D7

PPG

Spring Thaw 1013-2

ΔE 1.8 · #D9DCDD

Farrow & Ball

Borrowed Light 235

ΔE 2.1 · #D5DBDB

Kobra

Silver 47

ΔE 3.6 · #CDCECD

Dutch Boy

Tinge Grey VS-9117

ΔE 4.2 · #E2E2E2

Colorhouse

Air .06 Air-06

ΔE 4.6 · #D7E2E5

Light Reflectance & Undertone

Light Reflectance Value (LRV)

68/100

Light

0 · DarkLight · 100

Reflects plenty of light and keeps spaces feeling open and airy while still showing clear colour. A safe, flexible choice for living areas.

Undertone

TemperatureNeutral MasstoneBlue UndertoneViolet

A near-neutral with a subtle neutral violet undertone — it will pick up colour from surrounding surfaces and shift noticeably under different light.

Color Theory

Complementary

#D5D7D9

#D8D6D4

Analogous

#D4D8D8

#D5D7D9

#D4D4D8

Triadic

#D5D7D9

#D8D4D6

#D6D8D4

Split-Complementary

#D5D7D9

#D8D4D4

#D8D8D4

Tetradic

#D5D7D9

#D8D4D8

#D8D6D4

#D4D8D4

Monochromatic

#848A90

#ACB0B4

#D5D7D9

#F2F2F3

Rectangle

#D5D7D9

#D6D4D8

#D8D6D4

#D6D8D4

Compound

#D5D7D9

#D4D4D8

#D8D6D4

#D8D8D4

Variations

Lighter

#DDDEE0

#E5E7E8

#F0F1F1

Darker

#A7ABB0

#6F767C

#414548

Saturation

#D6D6D7

#D4D6D8

#C1D6EC

Interior Use

Best Rooms

living rooms, bedrooms, kitchens

Best Uses

main walls, trim, accents

Pairs With

soft whites, natural wood, brass, matte black trim

Accessibility (WCAG)

vs White

1.44:1

Fail

vs Black

14.55:1

AAA

Deuteranopia

#D5D7D9

#D6D7DA

Original → Simulated

Protanopia

#D5D7D9

#D7D7D9

Original → Simulated

Tritanopia

#D5D7D9

#D5D7D7

Original → Simulated

Color Psychology

Quiet · Versatile

December Sky gets out of the way so the architecture and the people in the room do the work. The right neutral is never a default — it reads warm or cool, dusty or sharp depending on its undertone, and that undertone is what makes or breaks the room.

SymbolismBalance, sophistication, calm

PersonalityAdaptable, considered, timeless

versatileneutraltimelessbackdroptrimwall

How it looks under different light

#DFCEBE

Warm Bulb 2700K

Incandescent / soft white LED — pulls colour toward yellow/amber.

#D5D7D9

Daylight 5500K

Midday natural light or daylight-spec LED — closest to the paint chip.

#CCD3E2

Cool Bulb 6500K

Cool white LED / overcast daylight — pulls colour toward blue.

Pairs With

#EAEBEB

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#C8B6A4

Accent

Complementary punch

Hue +180°, slightly muted for paint vs. screen — use on a door, frame, or single piece.

#574738

Floor

Walnut neutral

Warm mid-brown grounds the scheme regardless of hero hue.

Paint Info

Brand · Product Line

Benjamin Moore / Regal Select Interior

Recommended Finishes

Eggshell (walls) · Semi-gloss (trim) · Flat (ceiling)

Light tones absorb less light than expected — eggshell adds warmth on walls, semi-gloss gives trim crisp definition against pale walls.

Best Surfaces

Primary walls · Trim · Ceilings · Furniture

Coverage & Dry Time

Typical coverage 350-400 sq ft per gallon over a primed surface.

Touch-dry in ~1 hour. Recoat after 4 hours. Full cure 7-14 days.

Primer

Standard primer; pale colors typically need 2 coats for full opacity.

Application Tip

Use a 9" microfiber roller on walls and a 2.5" angled sash brush for trim cuts. Two coats minimum for even depth.

Paint Calculator

Wall area (m²)

Coats

Coverage (m² / L)

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

Code Snippets

CSS — color

color: #D5D7D9;

CSS — background

background-color: #D5D7D9;

CSS Variable

--color-december-sky: #D5D7D9;

Tailwind v3 — config

colors: { 'december-sky': '#D5D7D9' }

Tailwind — arbitrary

bg-[#D5D7D9] text-[#D5D7D9]

SCSS

$december-sky: #D5D7D9;

Similar Colors

Bunny Gray

#D6DBDC · ΔE 1.7

Lavender Wash

#CFD4D7 · ΔE 1.7

Graytint

#D8D9D8 · ΔE 1.8

Gray Cloud

#D7DCDE · ΔE 1.9

Blue Lace

#D0D8D9 · ΔE 2.2

Slip

#D6D2D5 · ΔE 2.6

Violet Sparkle

#D6D8DF · ΔE 2.7

Violet Dusk

#D9DBE2 · ΔE 3.0

Built by DSGN.HOUSE Updated 2026

Our color tools run on our own catalogue of 26,000+ real paint colors across 16 brands — Benjamin Moore, Sherwin-Williams, Behr, Dulux, RAL and more — with the color math (HSL and CIELAB matching) computed in-house, not scraped from summaries. Every color you pick maps to a real, buyable paint with its code, so what you see here you can actually take to the store. We review and update these tools and their data regularly.

Created by Denis Kataev, founder of DSGN.HOUSE — a software engineer and digital entrepreneur building professional color-design tools for everyone.

Frequently Asked Questions

What color is #D5D7D9?

#D5D7D9 is December Sky, a soft neutral with a cool undertone.

Is #D5D7D9 warm or cool?

December Sky reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with December Sky?

December Sky works well in living rooms, bedrooms, kitchens. Designers typically use it for main walls, trim, accents.

What colors pair well with December Sky?

December Sky pairs naturally with soft whites, natural wood, brass, matte black trim. Its complementary color is also a strong contrast option for accents.

Where can I download December Sky?

You can download December Sky on DSGN.HOUSE in 15 designer formats including CSS gradient, Figma, Procreate swatches, Tailwind config, Adobe ASE, SVG, and 4K wallpapers — all free.

What's the hex code for December Sky?

The hex code is #D5D7D9. In RGB it's 213, 215, 217, and in HSL it's 210°, 5%, 84%.

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