BLUES

Millstream

#B9D4DE

RGB 185, 212, 222 · HSL 196°, 36%, 80% · CMYK 17, 5, 0, 13

Millstream is #B9D4DE in HEX — rgb(185, 212, 222), hsl(196°, 36%, 80%), cmyk(17%, 5%, 0%, 13%).

Millstream pulls into the airy end of the blues spectrum — HSL 196°, 36%, 80%. The muted saturation makes it quiet but present, 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#B9D4DE

RGB185, 212, 222

HSL196°, 36%, 80%

HSV196°, 17%, 87%

CMYK17, 5, 0, 13

Decimal12178654

CSS RGBrgb(185, 212, 222)

CSS HSLhsl(196, 36%, 80%)

Paint Matches — this color across 16 brands

Kilz

Summer Shower RE160-01

ΔE 0.8 · #BAD3DC

Behr

Millstream PPU14-16

ΔE 1.1 · #B8D4E0

Benjamin Moore

Watercolor CC-788

ΔE 1.2 · #BDD5DE

Dulux

Airborne Half S34A1H

ΔE 1.2 · #B5D2DB

Hallman-Lindsay

Bridgewater Bay 650

ΔE 1.2 · #BCD7E2

Vista Paint

Bridgewater Bay C-649

ΔE 1.4 · #BED7E1

PPG

Midsummer's Dream 1151-3

ΔE 1.7 · #B4D0D9

Valspar

Schoolboy Blue 4007-5B

ΔE 2.3 · #BCD1D9

Dunn-Edwards

Falling Tears DE5792

ΔE 2.6 · #C2D7DF

Sherwin-Williams

Atmospheric SW6505

ΔE 3.2 · #C2DAE0

Colorhouse

Dream .03 Dream-03

ΔE 3.9 · #B4CBD9

IKEA

IKEA050 50

ΔE 4 · #C6D7E3

Farrow & Ball

Blue Ground 210

ΔE 8 · #A1C5C8

Dutch Boy

Simply Sparkling DCP-0594

ΔE 8.4 · #BCCEE6

RAL

Telegrey 4 7047

ΔE 10.5 · #D0D0D0

Kobra

Silver 47

ΔE 10.5 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

63/100

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 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

#B9D4DE

#DEC3BA

Analogous

#BADED6

#B9D4DE

#BAC2DE

Triadic

#B9D4DE

#DEBAD5

#D5DEBA

Split-Complementary

#B9D4DE

#DEBAC2

#DED6BA

Tetradic

#B9D4DE

#D6BADE

#DEC3BA

#C2DEBA

Monochromatic

#5295AD

#86B5C6

#B9D4DE

#EEF4F7

Rectangle

#B9D4DE

#C3BADE

#DEC3BA

#D5DEBA

Compound

#B9D4DE

#BAC2DE

#DEC3BA

#DED6BA

Variations

Lighter

#C8DDE5

#D7E5EA

#E9EFF2

Darker

#80B3C6

#44859D

#264E5C

Saturation

#C6CFD2

#BAD5DE

#A9DCEF

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

1.55:1

Fail

vs Black

13.54:1

AAA

Deuteranopia

#B9D4DE

#C7CCDF

Original → Simulated

Protanopia

#B9D4DE

#D0D0DD

Original → Simulated

Tritanopia

#B9D4DE

#B9D5D3

Original → Simulated

Color Psychology

Focused · Cooling

Millstream 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

#CACCC2

Warm Bulb 2700K

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

#B9D4DE

Daylight 5500K

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

#B7D1E6

Cool Bulb 6500K

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

Pairs With

#E9EBEC

Trim

Matched off-white

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

#F7F7F8

Ceiling

Whisper tint

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

#C6A294

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 · 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 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: #B9D4DE;

CSS — background

background-color: #B9D4DE;

CSS Variable

--color-millstream: #B9D4DE;

Tailwind v3 — config

colors: { 'millstream': '#B9D4DE' }

Tailwind — arbitrary

bg-[#B9D4DE] text-[#B9D4DE]

SCSS

$millstream: #B9D4DE;

Similar Colors

Watercolor

#BCD4DD · ΔE 1.1

Ashwood Gray

#B9D3DA · ΔE 1.6

Grand Rapids

#BAD1DC · ΔE 1.7

Mediterranean Breeze

#B7D4E2 · ΔE 2.2

Blue Hydrangea

#B3D3E1 · ΔE 2.6

Bright and Early

#C3D8E1 · ΔE 2.7

Soft Sky

#C1D7E4 · ΔE 2.8

Watercolor Blue

#B9D9E7 · 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 #B9D4DE?

#B9D4DE is Millstream, a soft blue with a cool undertone.

Is #B9D4DE warm or cool?

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

What rooms work best with Millstream?

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

What colors pair well with Millstream?

Millstream 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 Millstream?

You can download Millstream 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 Millstream?

The hex code is #B9D4DE. In RGB it's 185, 212, 222, and in HSL it's 196°, 36%, 80%.

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