BLUES

Timeless Day

#EFEFF4

RGB 239, 239, 244 · HSL 240°, 19%, 95% · CMYK 2, 2, 0, 4

Timeless Day is #EFEFF4 in HEX — rgb(239, 239, 244), hsl(240°, 19%, 95%), cmyk(2%, 2%, 0%, 4%).

Timeless Day pulls into the airy end of the blues spectrum — HSL 240°, 19%, 95%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, home offices — for calm, focused environments. Reads best alongside warm white trim, oak or walnut, brass or matte black hardware.

HEX#EFEFF4
RGB239, 239, 244
HSL240°, 19%, 95%
HSV240°, 2%, 96%
CMYK2, 2, 0, 4
Decimal15724532
CSS RGBrgb(239, 239, 244)
CSS HSLhsl(240, 19%, 95%)

Behr

Timeless Day 670E-1

Exact match

Dunn-Edwards

Springtime Rain DEW389

ΔE 1.2 · #EBEEF3

Benjamin Moore

Polar 2069-70

ΔE 2.3 · #E9E9F0

Vista Paint

Greek Goddess K-39

ΔE 2.3 · #EDE9EF

Dulux

Hakataramea NZ9H6

ΔE 2.3 · #ECEFF0

PPG

Winter Morn 1172-2

ΔE 2.5 · #EAE8EC

Valspar

Blue Kiss 7004-11

ΔE 2.8 · #EBEDED

RAL

Signal White 9003

ΔE 3 · #F4F4F4

Kilz

Inverness RB200-01

ΔE 3.2 · #E4E8EC

Hallman-Lindsay

Melting Glacier 600

ΔE 3.2 · #ECEEED

Colorhouse

Imagine .05 Imagine-05

ΔE 3.3 · #F0F2F1

IKEA

IKEA022 IKEA2 22-ikea-2

ΔE 4.2 · #F2F1EE

Farrow & Ball

Wevet 273

ΔE 4.4 · #EEE9E7

Sherwin-Williams

Rarified Air SW6525

ΔE 4.8 · #E1E6E6

Dutch Boy

Tinge Grey VS-9117

ΔE 5.3 · #E2E2E2

Kobra

White 01

ΔE 6 · #EAEAE4

Light Reflectance Value (LRV)

87/100

Very Light

0 · DarkLight · 100

Bounces most light back into the room — maximises brightness and makes small or north-facing rooms feel larger. Reads close to a soft neutral.

Undertone

TemperatureCool MasstoneBlue UndertoneViolet

Reads as a cool blue with a violet undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Complementary

#EFEFF4
#F5F5F0

Analogous

#F0F2F5
#EFEFF4
#F2F0F5

Triadic

#EFEFF4
#F5F0F0
#F0F5F0

Split-Complementary

#EFEFF4
#F5F2F0
#F2F5F0

Tetradic

#EFEFF4
#F5F0F2
#F5F5F0
#F0F5F2

Monochromatic

#9595B7
#C2C2D6
#EFEFF4
#F0F0F5
#F0F0F5

Rectangle

#EFEFF4
#F5F0F5
#F5F5F0
#F0F5F0

Compound

#EFEFF4
#F2F0F5
#F5F5F0
#F2F5F0

Lighter

#F3F3F7
#F6F6F9
#FAFAFB

Darker

#B6B6CE
#6C6C9F
#3D3D5E

Saturation

#F2F2F3
#F0F0F5
#EBEBFA

Best Rooms

bedrooms, bathrooms, home offices

Best Uses

main walls, ceilings, trim, cabinetry

Pairs With

warm white trim, oak or walnut, brass or matte black hardware

Aa

vs White

1.15:1

Fail

Aa

vs Black

18.32:1

AAA

Deuteranopia

#EFEFF4
#EEEFF5

Original → Simulated

Protanopia

#EFEFF4
#EFEFF3

Original → Simulated

Tritanopia

#EFEFF4
#EFF0EF

Original → Simulated

Focused · Cooling

Timeless Day lowers the temperature of a room — useful in south-facing rooms that overheat visually, and in home offices where you want a clear head. Pair with warm wood and brass to keep it from reading clinical.

SymbolismTrust, depth, stability
PersonalityClear-headed, dependable, contemplative
focustrustcalmofficebedroomdepth
#F3E0D2

Warm Bulb 2700K

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

#EFEFF4

Daylight 5500K

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

#E0E5F6

Cool Bulb 6500K

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

#EAEAEB

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.

#CFCFAF

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.

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.

You'll need

4.0 litres

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

CSS — color
color: #EFEFF4;
CSS — background
background-color: #EFEFF4;
CSS Variable
--color-timeless-day: #EFEFF4;
Tailwind v3 — config
colors: { 'timeless-day': '#EFEFF4' }
Tailwind — arbitrary
bg-[#EFEFF4] text-[#EFEFF4]
SCSS
$timeless-day: #EFEFF4;
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.

What color is #EFEFF4?

#EFEFF4 is Timeless Day, a light blue with a cool undertone.

Is #EFEFF4 warm or cool?

Timeless Day reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Timeless Day?

Timeless Day works well in bedrooms, bathrooms, home offices. Designers typically use it for main walls, ceilings, trim, cabinetry.

What colors pair well with Timeless Day?

Timeless Day pairs naturally with warm white trim, oak or walnut, brass or matte black hardware. Its complementary color is also a strong contrast option for accents.

Where can I download Timeless Day?

You can download Timeless Day 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 Timeless Day?

The hex code is #EFEFF4. In RGB it's 239, 239, 244, and in HSL it's 240°, 19%, 95%.

← All colors