BLUES

Delusional Dragonfly

#66BBCC

RGB 102, 187, 204 · HSL 190°, 50%, 60% · CMYK 50, 8, 0, 20

Delusional Dragonfly is #66BBCC in HEX — rgb(102, 187, 204), hsl(190°, 50%, 60%), cmyk(50%, 8%, 0%, 20%).

Delusional Dragonfly pulls into the light end of the blues spectrum — HSL 190°, 50%, 60%. The balanced saturation makes it confident without overpowering, 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#66BBCC

RGB102, 187, 204

HSL190°, 50%, 60%

HSV190°, 50%, 80%

CMYK50, 8, 0, 20

Decimal6732748

CSS RGBrgb(102, 187, 204)

CSS HSLhsl(190, 50%, 60%)

Paint Matches — this color across 16 brands

Behr

Yacht Blue S490-4

ΔE 2.2 · #60B7CB

PPG

High Dive 1236-5

ΔE 2.6 · #59B9CC

Benjamin Moore

Madison 759

ΔE 2.7 · #6CC1CF

Dulux

Gondolier S32E3

ΔE 2.7 · #5CB4C5

Sherwin-Williams

Surfin' SW9048

ΔE 3 · #73C0D2

Dunn-Edwards

Faded Jeans DE5752

ΔE 3.3 · #5DBDCB

Hallman-Lindsay

Enchanted Evening 673

ΔE 3.7 · #63C3D3

Vista Paint

Swan Lake K-195

ΔE 3.8 · #6AC5D5

Kilz

Serene Summit RE270-01

ΔE 4 · #68B2C4

Valspar

Fiesta Blue 5003-10A

ΔE 5.4 · #7BC5D9

Dutch Boy

Sky Blue D-6742

ΔE 5.6 · #7AC2D8

Kobra

Blue 28

ΔE 6.3 · #4EB3CD

RAL

Pastel Turquoise 6034

ΔE 11.5 · #7FB5B5

IKEA

IKEA084 84

ΔE 14 · #83AAC1

Farrow & Ball

Blue Ground 210

ΔE 15.9 · #A1C5C8

Colorhouse

Dream .04 Dream-04

ΔE 15.9 · #9CC7C4

Light Reflectance & Undertone

Light Reflectance Value (LRV)

43/100

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 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

#66BBCC

#CC7766

Analogous

#66CCAA

#66BBCC

#6688CC

Triadic

#66BBCC

#CC66BB

#BBCC66

Split-Complementary

#66BBCC

#CC6688

#CCAA66

Tetradic

#66BBCC

#AA66CC

#CC7766

#88CC66

Monochromatic

#266673

#3999AC

#66BBCC

#9FD4DF

#D9EEF2

Rectangle

#66BBCC

#7766CC

#CC7766

#BBCC66

Compound

#66BBCC

#6688CC

#CC7766

#CCAA66

Variations

Lighter

#85C9D6

#A8D3DC

#CFE4E8

Darker

#3AA5BB

#267382

#15444D

Saturation

#8AA3A8

#66BBCC

#4CCCE6

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

2.20:1

Fail

vs Black

9.55:1

AAA

Deuteranopia

#66BBCC

#9AA6CE

Original → Simulated

Protanopia

#66BBCC

#B0B0CA

Original → Simulated

Tritanopia

#66BBCC

#67BDB8

Original → Simulated

Color Psychology

Focused · Cooling

Delusional Dragonfly 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

#8CB9B4

Warm Bulb 2700K

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

#66BBCC

Daylight 5500K

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

#79BED8

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.

#B75F4D

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: #66BBCC;

CSS — background

background-color: #66BBCC;

CSS Variable

--color-delusional-dragonfly: #66BBCC;

Tailwind v3 — config

colors: { 'delusional-dragonfly': '#66BBCC' }

Tailwind — arbitrary

bg-[#66BBCC] text-[#66BBCC]

SCSS

$delusional-dragonfly: #66BBCC;

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#6BC0CE · ΔE 2.4

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#76C2D7 · ΔE 4.5

Atlantis Blue

#54B1C9 · ΔE 5.5

Seaside Blue

#80C0CF · ΔE 5.9

Fairy Tale Blue

#78CBDA · ΔE 5.9

Santa Clara

#57ABB7 · ΔE 6.5

Baltimore Sky

#45ADBE · ΔE 6.7

Bayville Blue

#71AEBB · ΔE 7.2

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 #66BBCC?

#66BBCC is Delusional Dragonfly, a soft blue with a cool undertone.

Is #66BBCC warm or cool?

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

What rooms work best with Delusional Dragonfly?

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

What colors pair well with Delusional Dragonfly?

Delusional Dragonfly 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 Delusional Dragonfly?

You can download Delusional Dragonfly 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 Delusional Dragonfly?

The hex code is #66BBCC. In RGB it's 102, 187, 204, and in HSL it's 190°, 50%, 60%.

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