BLUES

Atmosphere

#0099DD

RGB 0, 153, 221 · HSL 198°, 100%, 43% · CMYK 100, 31, 0, 13

Atmosphere is #0099DD in HEX — rgb(0, 153, 221), hsl(198°, 100%, 43%), cmyk(100%, 31%, 0%, 13%).

Atmosphere pulls into the rich end of the blues spectrum — HSL 198°, 100%, 43%. The saturated saturation makes it bold and immediate, 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.

Color Codes

HEX#0099DD

RGB0, 153, 221

HSL198°, 100%, 43%

HSV198°, 100%, 87%

CMYK100, 31, 0, 13

Decimal39389

CSS RGBrgb(0, 153, 221)

CSS HSLhsl(198, 100%, 43%)

Paint Matches — this color across 16 brands

Benjamin Moore

Rocky 2066-40

ΔE 1.7 · #1098D9

Dunn-Edwards

Splish Splash DE5844

ΔE 6.2 · #3194CE

Valspar

Blue Burst 4008-10B

ΔE 6.4 · #3097D0

PPG

Newport Blue 1240-6

ΔE 6.5 · #1C8AC9

Behr

Celebration Blue MQ4-57

ΔE 6.5 · #008DC8

Dulux

Water Raceway S35H5 · SB8D7

ΔE 6.7 · #0089C7

Vista Paint

Breathtaking Blue K-130

ΔE 8.7 · #569AD7

Sherwin-Williams

Dynamic Blue SW6958

ΔE 9.7 · #0192C6

RAL

Light Blue 5012

ΔE 11.4 · #3B83BD

Kilz

Hero Blue RD280-02

ΔE 11.8 · #1898C8

Hallman-Lindsay

Acapulco Dive 639

ΔE 12.4 · #65A7DD

Kobra

Blue 29

ΔE 13 · #1882B4

Farrow & Ball

St Giles Blue 280

ΔE 17.8 · #599EC4

IKEA

IKEA128 128

ΔE 19.8 · #4A72B0

Dutch Boy

Blue Sea VS-9451

ΔE 26.3 · #2D61AD

Colorhouse

Petal .05 Petal-05

ΔE 35.6 · #1F4992

Light Reflectance & Undertone

Light Reflectance Value (LRV)

28/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

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.

Color Theory

Complementary

#0099DD

#DB4200

Analogous

#00DBAF

#0099DD

#002CDB

Triadic

#0099DD

#DB009A

#9ADB00

Split-Complementary

#0099DD

#DB002C

#DBAF00

Tetradic

#0099DD

#AF00DB

#DB4200

#2CDB00

Monochromatic

#002E42

#00648F

#0099DD

#29BFFF

#75D6FF

Rectangle

#0099DD

#4200DB

#DB4200

#9ADB00

Compound

#0099DD

#002CDB

#DB4200

#DBAF00

Variations

Lighter

#16B9FF

#5EC5F2

#A9DAF0

Darker

#007BAF

#005479

#003146

Saturation

#4D7B8F

#009ADB

Interior Use

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

Accessibility (WCAG)

vs White

3.18:1

AA Large

vs Black

6.60:1

Deuteranopia

#0099DD

#6288DE

Original → Simulated

Protanopia

#0099DD

#8D8DD6

Original → Simulated

Tritanopia

#0099DD

#00A59A

Original → Simulated

Color Psychology

Focused · Cooling

Atmosphere 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

How it looks under different light

#3F9FC1

Warm Bulb 2700K

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

#0099DD

Daylight 5500K

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

#2DA4E5

Cool Bulb 6500K

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

Pairs With

#E7ECEE

Trim

Matched off-white

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

#F7F8F8

Ceiling

Whisper tint

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

#A83F13

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) · Pearl (trim) · Matte (ceiling)

Eggshell hides imperfections on main walls while keeping the color rich; pearl on trim adds subtle sheen and easier cleaning; flat matte on ceilings prevents glare.

Best Surfaces

Primary walls · Cabinetry · Doors · Mouldings

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 is adequate.

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: #0099DD;

CSS — background

background-color: #0099DD;

CSS Variable

--color-atmosphere: #0099DD;

Tailwind v3 — config

colors: { 'atmosphere': '#0099DD' }

Tailwind — arbitrary

bg-[#0099DD] text-[#0099DD]

SCSS

$atmosphere: #0099DD;

Similar Colors

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#0F97D8 · ΔE 1.8

Utah Sky

#1C94D0 · ΔE 4.8

Clearest Ocean Blue

#3195CA · ΔE 8.6

Bayberry Blue

#3F9DD1 · ΔE 9.5

Lake Tahoe

#4298C4 · ΔE 13.8

Toronto Blue

#199FCC · ΔE 14.2

Waterloo

#5F8EC2 · ΔE 14.5

Sailor's Sea Blue

#4A93BE · ΔE 14.8

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 #0099DD?

#0099DD is Atmosphere, a mid-tone blue with a cool undertone.

Is #0099DD warm or cool?

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

What rooms work best with Atmosphere?

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

What colors pair well with Atmosphere?

Atmosphere 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 Atmosphere?

You can download Atmosphere 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 Atmosphere?

The hex code is #0099DD. In RGB it's 0, 153, 221, and in HSL it's 198°, 100%, 43%.

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