GREENS

Hello Winter

#99FFEE

RGB 153, 255, 238 · HSL 170°, 100%, 80% · CMYK 40, 0, 7, 0

Hello Winter is #99FFEE in HEX — rgb(153, 255, 238), hsl(170°, 100%, 80%), cmyk(40%, 0%, 7%, 0%).

Hello Winter pulls into the airy end of the greens spectrum — HSL 170°, 100%, 80%. 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#99FFEE

RGB153, 255, 238

HSL170°, 100%, 80%

HSV170°, 40%, 100%

CMYK40, 0, 7, 0

Decimal10092526

CSS RGBrgb(153, 255, 238)

CSS HSLhsl(170, 100%, 80%)

Paint Matches — this color across 16 brands

Behr

Cool Water Lake P480-3

ΔE 2.5 · #A2FFEC

Dunn-Edwards

Pale Jade DE5681

ΔE 9.6 · #A2EBD8

Benjamin Moore

Mermaid 2039-50

ΔE 10.9 · #86E0CC

Dulux

Neverland S27H2

ΔE 10.9 · #9CE5D4

Vista Paint

Summer Sonata K-284

ΔE 11.3 · #91E3C9

Valspar

Mermaid's Song 6001-9C

ΔE 12.1 · #99E1D1

Sherwin-Williams

Tantalizing Teal SW6937

ΔE 12.3 · #87DCCE

Kilz

Polished Turquoise RG140-01

ΔE 13 · #96DFD4

Hallman-Lindsay

Island Breeze 693

ΔE 13.6 · #8ADACF

PPG

Almost Aqua 1229-3

ΔE 14 · #98DDC5

Colorhouse

Sprout .01 Sprout-01

ΔE 15 · #ADE8E2

IKEA

IKEA165 165

ΔE 18.4 · #91D0C5

RAL

Light Green 6027

ΔE 22.9 · #84C3BE

Kobra

Green 32

ΔE 24 · #75C89E

Dutch Boy

Creamy Mint DCP-0755

ΔE 27.8 · #D4E2C8

Farrow & Ball

Blue Ground 210

ΔE 28.1 · #A1C5C8

Light Reflectance & Undertone

Light Reflectance Value (LRV)

84/100

Very Light

0 · DarkLight · 100

Bounces most light back into the room — maximises brightness and makes small or north-facing rooms feel larger. Reads close to a soft neutral.

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

#99FFEE

#FF99AA

Analogous

#99FFBB

#99FFEE

#99DDFF

Triadic

#99FFEE

#EE99FF

#FFEE99

Split-Complementary

#99FFEE

#FF99DD

#FFBB99

Tetradic

#99FFEE

#BB99FF

#FF99AA

#DDFF99

Monochromatic

#00FFD5

#4DFFE1

#99FFEE

#E5FFFB

Rectangle

#99FFEE

#99AAFF

#FF99AA

#FFEE99

Compound

#99FFEE

#99DDFF

#FF99AA

#FFBB99

Variations

Lighter

#ADFFF1

#C6FAF2

#E1FAF5

Darker

#47FFE0

#00E0BB

#00836D

Saturation

#BDDBD6

#99FFEE

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

1.17:1

Fail

vs Black

17.89:1

AAA

Deuteranopia

#99FFEE

#DEE1F1

Original → Simulated

Protanopia

#99FFEE

#F2F2F0

Original → Simulated

Tritanopia

#99FFEE

#A0FBF9

Original → Simulated

Color Psychology

Calm · Restorative

Hello Winter 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

#B2ECCE

Warm Bulb 2700K

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

#99FFEE

Daylight 5500K

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

#9FF1F2

Cool Bulb 6500K

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

Pairs With

#E7EEED

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.

#EF6C82

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: #99FFEE;

CSS — background

background-color: #99FFEE;

CSS Variable

--color-hello-winter: #99FFEE;

Tailwind v3 — config

colors: { 'hello-winter': '#99FFEE' }

Tailwind — arbitrary

bg-[#99FFEE] text-[#99FFEE]

SCSS

$hello-winter: #99FFEE;

Similar Colors

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#85DFCB · ΔE 11.2

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#7EDECD · ΔE 11.3

Caribe Green

#86DECD · ΔE 11.4

Green Coral

#7FDDCF · ΔE 11.7

Scuba Green

#81DDD0 · ΔE 11.8

Hills of Ireland

#9FE3CE · ΔE 12.4

South Beach

#89DCCD · ΔE 12.4

Fresh Green

#83DDC5 · ΔE 12.4

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 #99FFEE?

#99FFEE is Hello Winter, a soft green with a cool undertone.

Is #99FFEE warm or cool?

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

What rooms work best with Hello Winter?

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

What colors pair well with Hello Winter?

Hello Winter 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 Hello Winter?

You can download Hello Winter 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 Hello Winter?

The hex code is #99FFEE. In RGB it's 153, 255, 238, and in HSL it's 170°, 100%, 80%.

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