GREENS

Peaceful Blue

#99CFD3

RGB 153, 207, 211 · HSL 184°, 40%, 71% · CMYK 27, 2, 0, 17

Peaceful Blue is #99CFD3 in HEX — rgb(153, 207, 211), hsl(184°, 40%, 71%), cmyk(27%, 2%, 0%, 17%).

Peaceful Blue pulls into the light end of the greens spectrum — HSL 184°, 40%, 71%. The muted saturation makes it quiet but present, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, libraries — for grounding, restorative spaces. Reads best alongside soft white walls, oak floors, brass, warm clay accents.

Color Codes

HEX#99CFD3

RGB153, 207, 211

HSL184°, 40%, 71%

HSV184°, 27%, 83%

CMYK27, 2, 0, 17

Decimal10080211

CSS RGBrgb(153, 207, 211)

CSS HSLhsl(184, 40%, 71%)

Paint Matches — this color across 16 brands

Behr

Peaceful Blue S470-3

Exact match

Dulux

Pentagon S30E2

ΔE 1 · #96CED1

Benjamin Moore

Spectra 2049-50

ΔE 1.1 · #99CFD1

Valspar

Bay Mist 5006-7C

ΔE 2.2 · #94CDCE

Sherwin-Williams

Gentle Aquamarine SW9046

ΔE 2.2 · #97CBD2

Dunn-Edwards

Aqua Bloom DE5737

ΔE 2.3 · #96D3D8

Kilz

Glacial Waters RF180-01

ΔE 3.2 · #8EC7CB

Vista Paint

Coastal View K-212

ΔE 3.2 · #93C6C9

PPG

Fling Green 1234-4

ΔE 3.9 · #8ECFD0

Hallman-Lindsay

Stillwater 687

ΔE 5.3 · #8CC1C2

Colorhouse

Dream .04 Dream-04

ΔE 5.4 · #9CC7C4

Farrow & Ball

Blue Ground 210

ΔE 6.1 · #A1C5C8

Kobra

Blue 27

ΔE 7 · #87C8D7

RAL

Light Green 6027

ΔE 7.9 · #84C3BE

IKEA

IKEA083 83

ΔE 8.5 · #B6DCE6

Dutch Boy

Sky Blue D-6742

ΔE 11.6 · #7AC2D8

Light Reflectance & Undertone

Light Reflectance Value (LRV)

56/100

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

TemperatureCool MasstoneTeal UndertoneGreen

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

Color Theory

Complementary

#99CFD3

#D39B97

Analogous

#97D3B9

#99CFD3

#97B1D3

Triadic

#99CFD3

#D397CF

#CFD397

Split-Complementary

#99CFD3

#D397B1

#D3B997

Tetradic

#99CFD3

#B997D3

#D39B97

#B1D397

Monochromatic

#3F8D92

#62B6BC

#99CFD3

#CDE8EA

#EDF7F7

Rectangle

#99CFD3

#9B97D3

#D39B97

#CFD397

Compound

#99CFD3

#97B1D3

#D39B97

#D3B997

Variations

Lighter

#ACD8DC

#C4E0E2

#DEEBEC

Darker

#63B9BF

#388A8F

#1F5155

Saturation

#ACBDBE

#97CFD3

#81E2E9

Interior Use

Best Rooms

bedrooms, bathrooms, libraries

Best Uses

main walls, cabinetry, soft furniture

Pairs With

soft white walls, oak floors, brass, warm clay accents

Accessibility (WCAG)

vs White

1.72:1

Fail

vs Black

12.22:1

AAA

Deuteranopia

#99CFD3

#BABFD5

Original → Simulated

Protanopia

#99CFD3

#C7C7D2

Original → Simulated

Tritanopia

#99CFD3

#9BCFCD

Original → Simulated

Color Psychology

Calm · Restorative

Peaceful Blue sits in the part of the spectrum the eye relaxes into. Designers reach for green when a room needs to feel like a refuge — bedrooms, libraries, bathrooms — because it lowers visual blood-pressure without flattening the space.

SymbolismGrowth, balance, nature

PersonalitySteady, grounded, thoughtful

calmnaturerestorativebalancebedroomlibrary

How it looks under different light

#B2C8B9

Warm Bulb 2700K

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

#99CFD3

Daylight 5500K

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

#9FCDDE

Cool Bulb 6500K

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

Pairs With

#E9ECEC

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.

#BC7C78

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 · Trim · Soft 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 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: #99CFD3;

CSS — background

background-color: #99CFD3;

CSS Variable

--color-peaceful-blue: #99CFD3;

Tailwind v3 — config

colors: { 'peaceful-blue': '#99CFD3' }

Tailwind — arbitrary

bg-[#99CFD3] text-[#99CFD3]

SCSS

$peaceful-blue: #99CFD3;

Similar Colors

Spectra Blue

#98CED0 · ΔE 1.2

Sea Isle

#A5D7DC · ΔE 3.4

Indigo

#A1CFD7 · ΔE 3.5

Waterfall

#9DCDCB · ΔE 3.6

Sonoma Skies

#A1D9DB · ΔE 3.6

Blue Rapids

#95C8D2 · ΔE 4.1

Lake Victoria

#9CD1CD · ΔE 4.3

California Breeze

#9ED9E2 · ΔE 4.5

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 #99CFD3?

#99CFD3 is Peaceful Blue, a soft green with a cool undertone.

Is #99CFD3 warm or cool?

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

What rooms work best with Peaceful Blue?

Peaceful Blue works well in bedrooms, bathrooms, libraries. Designers typically use it for main walls, cabinetry, soft furniture.

What colors pair well with Peaceful Blue?

Peaceful Blue pairs naturally with soft white walls, oak floors, brass, warm clay accents. Its complementary color is also a strong contrast option for accents.

Where can I download Peaceful Blue?

You can download Peaceful Blue 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 Peaceful Blue?

The hex code is #99CFD3. In RGB it's 153, 207, 211, and in HSL it's 184°, 40%, 71%.

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