GREENS

Shimmering Expanse Cyan

#45E9FD

RGB 69, 233, 253 · HSL 187°, 98%, 63% · CMYK 73, 8, 0, 1

Shimmering Expanse Cyan is #45E9FD in HEX — rgb(69, 233, 253), hsl(187°, 98%, 63%), cmyk(73%, 8%, 0%, 1%).

Shimmering Expanse Cyan pulls into the light end of the greens spectrum — HSL 187°, 98%, 63%. The saturated saturation makes it bold and immediate, 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#45E9FD

RGB69, 233, 253

HSL187°, 98%, 63%

HSV187°, 73%, 99%

CMYK73, 8, 0, 1

Decimal4581885

CSS RGBrgb(69, 233, 253)

CSS HSLhsl(187, 98%, 63%)

Paint Matches — this color across 16 brands

Behr

Riviera Blue 540B-5

ΔE 8.2 · #6CDFEE

Hallman-Lindsay

Andes Sky 680

ΔE 14.9 · #78D8D9

Vista Paint

Andes Sky C-679

ΔE 15.6 · #77D7D6

Dulux

Betsy S32H2

ΔE 15.8 · #73CCD9

Benjamin Moore

Baby 2056-50

ΔE 16.1 · #7BD0DA

PPG

Tropical Splash 1233-5

ΔE 17.1 · #70CBCE

Valspar

Rapids 5004-10A

ΔE 17.5 · #67C4CB

Kilz

Watertown RF150-01

ΔE 17.6 · #53C2C4

Dunn-Edwards

Island Oasis DE5730

ΔE 17.9 · #88D9D8

Sherwin-Williams

Mariner SW6766

ΔE 20.1 · #6EC2C4

Dutch Boy

Sky Blue D-6742

ΔE 21.4 · #7AC2D8

Kobra

Blue 27

ΔE 21.4 · #87C8D7

Colorhouse

Sprout .01 Sprout-01

ΔE 24.1 · #ADE8E2

RAL

Light Green 6027

ΔE 25 · #84C3BE

IKEA

IKEA165 165

ΔE 25.1 · #91D0C5

Farrow & Ball

Blue Ground 210

ΔE 29.9 · #A1C5C8

Light Reflectance & Undertone

Light Reflectance Value (LRV)

67/100

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

#45E9FD

#FD5A44

Analogous

#44FDB6

#45E9FD

#448BFD

Triadic

#45E9FD

#FD44E8

#E8FD44

Split-Complementary

#45E9FD

#FD448B

#FDB644

Tetradic

#45E9FD

#B644FD

#FD5A44

#8BFD44

Monochromatic

#0293A7

#02D6F2

#45E9FD

#90F1FE

#DCFBFF

Rectangle

#45E9FD

#5A44FD

#FD5A44

#E8FD44

Compound

#45E9FD

#448BFD

#FD5A44

#FDB644

Variations

Lighter

#6AECFD

#97EBF6

#C7EFF5

Darker

#02E1FF

#009CB1

#005B67

Saturation

#85B6BC

#44E8FD

#43E8FE

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

1.47:1

Fail

vs Black

14.33:1

AAA

Deuteranopia

#45E9FD

#B6C7FF

Original → Simulated

Protanopia

#45E9FD

#D8D8FB

Original → Simulated

Tritanopia

#45E9FD

#4AEAE4

Original → Simulated

Color Psychology

Calm · Restorative

Shimmering Expanse Cyan 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

#73DBD9

Warm Bulb 2700K

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

#45E9FD

Daylight 5500K

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

#60E0FD

Cool Bulb 6500K

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

Pairs With

#E7EDEE

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.

#E7402A

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: #45E9FD;

CSS — background

background-color: #45E9FD;

CSS Variable

--color-shimmering-expanse-cyan: #45E9FD;

Tailwind v3 — config

colors: { 'shimmering-expanse-cyan': '#45E9FD' }

Tailwind — arbitrary

bg-[#45E9FD] text-[#45E9FD]

SCSS

$shimmering-expanse-cyan: #45E9FD;

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#7ACFD9 · ΔE 16.2

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Tropicana Cabana

#7ED5D4 · ΔE 17.2

Mexicali Turquoise

#78CECC · ΔE 18.6

Madison Avenue

#6BC0CE · ΔE 19.0

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#8AD0DB · ΔE 19.3

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#87D1D2 · ΔE 19.6

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#87D5D1 · ΔE 19.7

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 #45E9FD?

#45E9FD is Shimmering Expanse Cyan, a soft green with a cool undertone.

Is #45E9FD warm or cool?

Shimmering Expanse Cyan reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Shimmering Expanse Cyan?

Shimmering Expanse Cyan works well in bedrooms, bathrooms, libraries. Designers typically use it for main walls, cabinetry, soft furniture.

What colors pair well with Shimmering Expanse Cyan?

Shimmering Expanse Cyan 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 Shimmering Expanse Cyan?

You can download Shimmering Expanse Cyan 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 Shimmering Expanse Cyan?

The hex code is #45E9FD. In RGB it's 69, 233, 253, and in HSL it's 187°, 98%, 63%.

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