GREENS

Modal Blue

#40A6AC

RGB 64, 166, 172 · HSL 183°, 46%, 46% · CMYK 63, 3, 0, 33

Modal Blue is #40A6AC in HEX — rgb(64, 166, 172), hsl(183°, 46%, 46%), cmyk(63%, 3%, 0%, 33%).

Modal Blue pulls into the mid-tone end of the greens spectrum — HSL 183°, 46%, 46%. The balanced saturation makes it confident without overpowering, 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#40A6AC

RGB64, 166, 172

HSL183°, 46%, 46%

HSV183°, 63%, 67%

CMYK63, 3, 0, 33

Decimal4236972

CSS RGBrgb(64, 166, 172)

CSS HSLhsl(183, 46%, 46%)

Paint Matches — this color across 16 brands

Dulux

Teal Essence S30G5

ΔE 0.9 · #3DA7AE

Behr

Blue Square S460-5

ΔE 1.3 · #46A5AA

Sherwin-Williams

Aquarium SW6767

ΔE 2 · #3AA9AE

Dunn-Edwards

Montego Bay DE5739

ΔE 2.5 · #4BA4A9

Vista Paint

Brookside K-202

ΔE 2.8 · #4AA9B2

Valspar

Exotic Sea 5004-10B

ΔE 3.8 · #2EA6B2

Benjamin Moore

San 741

ΔE 4 · #2D9CA2

Kilz

Tropical Twist RF140-02

ΔE 4.1 · #23A2AD

PPG

Biscay Bay 1234-5

ΔE 5.8 · #4FB3B3

Hallman-Lindsay

Pleasant Stream 682

ΔE 6.9 · #00A0A2

RAL

Pastel Blue 5024

ΔE 9.5 · #5D9B9B

Kobra

Blue 28

ΔE 12.8 · #4EB3CD

IKEA

IKEA082 82

ΔE 14.4 · #729E9C

Colorhouse

Dream .05 Dream-05

ΔE 16.2 · #18887C

Farrow & Ball

Vardo 288

ΔE 16.7 · #427E83

Dutch Boy

Sky Blue D-6742

ΔE 16.9 · #7AC2D8

Light Reflectance & Undertone

Light Reflectance Value (LRV)

31/100

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

#40A6AC

#AB453F

Analogous

#3FAB7B

#40A6AC

#3F70AB

Triadic

#40A6AC

#AB3FA6

#A6AB3F

Split-Complementary

#40A6AC

#AB3F70

#AB7B3F

Tetradic

#40A6AC

#7B3FAB

#AB453F

#70AB3F

Monochromatic

#163A3C

#2B7073

#40A6AC

#6EC5C9

#A6DBDE

Rectangle

#40A6AC

#453FAB

#AB453F

#A6AB3F

Compound

#40A6AC

#3F70AB

#AB453F

#AB7B3F

Variations

Lighter

#5EBEC4

#8CC9CD

#BFDDDE

Darker

#31878B

#205E61

#123739

Saturation

#658485

#3FA6AB

#20C2CB

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

2.89:1

Fail

vs Black

7.27:1

AAA

Deuteranopia

#40A6AC

#858EAE

Original → Simulated

Protanopia

#40A6AC

#9A9AAB

Original → Simulated

Tritanopia

#40A6AC

#45A6A2

Original → Simulated

Color Psychology

Calm · Restorative

Modal 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

#6FA99C

Warm Bulb 2700K

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

#40A6AC

Daylight 5500K

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

#5DAEC0

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.

#8B413D

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: #40A6AC;

CSS — background

background-color: #40A6AC;

CSS Variable

--color-modal-blue: #40A6AC;

Tailwind v3 — config

colors: { 'modal-blue': '#40A6AC' }

Tailwind — arbitrary

bg-[#40A6AC] text-[#40A6AC]

SCSS

$modal-blue: #40A6AC;

Similar Colors

Palm Coast Teal

#3AA9A9 · ΔE 4.3

San Jose Blue

#2C9BA1 · ΔE 4.3

Blue Spa

#499EA1 · ΔE 4.3

In the Tropics

#3B98A2 · ΔE 6.0

Santa Clara

#57ABB7 · ΔE 6.1

Harbor Side Blue

#5CB5B9 · ΔE 6.3

Peacock Blue

#61ACAE · ΔE 6.4

Cool Aqua

#18AFBB · ΔE 6.8

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 #40A6AC?

#40A6AC is Modal Blue, a mid-tone green with a cool undertone.

Is #40A6AC warm or cool?

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

What rooms work best with Modal Blue?

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

What colors pair well with Modal Blue?

Modal 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 Modal Blue?

You can download Modal 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 Modal Blue?

The hex code is #40A6AC. In RGB it's 64, 166, 172, and in HSL it's 183°, 46%, 46%.

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