GREENS

Peek-a-Blue

#C5E1E1

RGB 197, 225, 225 · HSL 180°, 32%, 83% · CMYK 12, 0, 0, 12

Peek-a-Blue is #C5E1E1 in HEX — rgb(197, 225, 225), hsl(180°, 32%, 83%), cmyk(12%, 0%, 0%, 12%).

Peek-a-Blue pulls into the airy end of the greens spectrum — HSL 180°, 32%, 83%. 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#C5E1E1

RGB197, 225, 225

HSL180°, 32%, 83%

HSV180°, 12%, 88%

CMYK12, 0, 0, 12

Decimal12968417

CSS RGBrgb(197, 225, 225)

CSS HSLhsl(180, 32%, 83%)

Paint Matches — this color across 16 brands

Dulux

Aqua Mist Quarter S30B1Q

ΔE 0.3 · #C6E1E1

Valspar

Tropical Spray 5004-7A

ΔE 1.2 · #C3E1E3

Sherwin-Williams

Open Air SW6491

ΔE 1.5 · #C7DFE0

Benjamin Moore

Arctic 2050-60

ΔE 1.7 · #C5E4E2

PPG

Aqua Whisper 1234-3

ΔE 1.7 · #BFDFDF

Behr

Cloudy Day 540E-2

ΔE 1.8 · #BFE0E0

Vista Paint

Iced Teal K-222

ΔE 2.2 · #C9E0DD

Dunn-Edwards

Silver Spruce DE5743

ΔE 2.5 · #CADFDD

IKEA

IKEA081 81

ΔE 3 · #BFDAD7

Kilz

Eastern Promise RF230-01

ΔE 3.1 · #BDE0E4

Hallman-Lindsay

Zircon Ice 664

ΔE 3.2 · #D0E4E5

Colorhouse

Dream .02 Dream-02

ΔE 3.6 · #BDE1DD

Dutch Boy

Mellow Blue DCP-0468

ΔE 7.4 · #DDE8E2

Farrow & Ball

Borrowed Light 235

ΔE 7.6 · #D5DBDB

RAL

Light Grey 7035

ΔE 9.8 · #D7D7D7

Kobra

Silver 47

ΔE 10.6 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

71/100

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

#C5E1E1

#E2C6C6

Analogous

#C6E2D4

#C5E1E1

#C6D4E2

Triadic

#C5E1E1

#E2C6E2

#E2E2C6

Split-Complementary

#C5E1E1

#E2C6D4

#E2D4C6

Tetradic

#C5E1E1

#D4C6E2

#E2C6C6

#D4E2C6

Monochromatic

#61AEAE

#93C8C8

#C5E1E1

#EEF6F6

Rectangle

#C5E1E1

#C6C6E2

#E2C6C6

#E2E2C6

Compound

#C5E1E1

#C6D4E2

#E2C6C6

#E2D4C6

Variations

Lighter

#D1E7E7

#DEECEC

#ECF3F3

Darker

#8DC6C6

#4B9D9D

#2B5D5D

Saturation

#CFD8D8

#C6E2E2

#B7F0F0

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

1.38:1

Fail

vs Black

15.23:1

AAA

Deuteranopia

#C5E1E1

#D6D8E3

Original → Simulated

Protanopia

#C5E1E1

#DDDDE1

Original → Simulated

Tritanopia

#C5E1E1

#C6E0DF

Original → Simulated

Color Psychology

Calm · Restorative

Peek-a-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

#D3D5C4

Warm Bulb 2700K

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

#C5E1E1

Daylight 5500K

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

#C0DAE8

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.

#C89F9F

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) · Semi-gloss (trim) · Flat (ceiling)

Light tones absorb less light than expected — eggshell adds warmth on walls, semi-gloss gives trim crisp definition against pale walls.

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; pale colors typically need 2 coats for full opacity.

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: #C5E1E1;

CSS — background

background-color: #C5E1E1;

CSS Variable

--color-peek-a-blue: #C5E1E1;

Tailwind v3 — config

colors: { 'peek-a-blue': '#C5E1E1' }

Tailwind — arbitrary

bg-[#C5E1E1] text-[#C5E1E1]

SCSS

$peek-a-blue: #C5E1E1;

Similar Colors

Arctic Blue

#C4E3E1 · ΔE 1.6

Bird's Egg

#BEDCDD · ΔE 2.1

Forget Me Not

#C0E3E3 · ΔE 2.3

Dolphin's Cove

#BCDDDD · ΔE 2.4

Iced Green

#C6DEDA · ΔE 2.6

Crystal Springs

#C8E6EA · ΔE 2.8

Glacier Blue

#C8DEE2 · ΔE 3.1

Ewing Blue

#D0E2E0 · ΔE 3.6

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 #C5E1E1?

#C5E1E1 is Peek-a-Blue, a soft green with a cool undertone.

Is #C5E1E1 warm or cool?

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

What rooms work best with Peek-a-Blue?

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

What colors pair well with Peek-a-Blue?

Peek-a-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 Peek-a-Blue?

You can download Peek-a-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 Peek-a-Blue?

The hex code is #C5E1E1. In RGB it's 197, 225, 225, and in HSL it's 180°, 32%, 83%.

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