GREENS

Birthday King

#9BDCB7

RGB 155, 220, 183 · HSL 146°, 48%, 74% · CMYK 30, 0, 17, 14

Birthday King is #9BDCB7 in HEX — rgb(155, 220, 183), hsl(146°, 48%, 74%), cmyk(30%, 0%, 17%, 14%).

Birthday King pulls into the light end of the greens spectrum — HSL 146°, 48%, 74%. The balanced saturation makes it confident without overpowering, and the hue reads warm. 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#9BDCB7

RGB155, 220, 183

HSL146°, 48%, 74%

HSV146°, 30%, 86%

CMYK30, 0, 17, 14

Decimal10214583

CSS RGBrgb(155, 220, 183)

CSS HSLhsl(146, 48%, 74%)

Paint Matches — this color across 16 brands

Dulux

Birthday King S25G3

Exact match

Vista Paint

Green Pastures K-300

ΔE 1.8 · #9DE0BD

Behr

Nile River S420-3

ΔE 3.7 · #96D2AC

Dunn-Edwards

Peaceful Pastures DE5661

ΔE 4.4 · #94D8AC

Benjamin Moore

Greenwood 2037-50

ΔE 4.9 · #95E2C3

PPG

Mountain Mint 1227-3

ΔE 5.2 · #A7E0C2

Hallman-Lindsay

Celtic Spring 728

ΔE 5.5 · #AADEB2

Valspar

Green Gala 6003-9C

ΔE 6.1 · #86D2A9

Kilz

Iguana RG220-02

ΔE 6.9 · #95D3A3

Sherwin-Williams

Retro Mint SW9036

ΔE 8.9 · #9FCDB1

Colorhouse

Thrive .04 Thrive-04

ΔE 10.5 · #A2C8A1

Kobra

Green 32

ΔE 10.6 · #75C89E

RAL

Pastel Green 6019

ΔE 12 · #BDECB6

IKEA

IKEA044 44

ΔE 12.6 · #B5D1AB

Farrow & Ball

Arsenic 214

ΔE 15.1 · #84B59C

Dutch Boy

Perrenial Garden DCP-0759

ΔE 17 · #9AB68E

Light Reflectance & Undertone

Light Reflectance Value (LRV)

62/100

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

TemperatureNeutral MasstoneGreen UndertoneBlue

Reads as a neutral green with a blue undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#9BDCB7

#DD9DC1

Analogous

#A1DD9D

#9BDCB7

#9DDDD8

Triadic

#9BDCB7

#B89DDD

#DDB89D

Split-Complementary

#9BDCB7

#D89DDD

#DD9DA1

Tetradic

#9BDCB7

#9DA1DD

#DD9DC1

#DDD89D

Monochromatic

#3AA669

#64C990

#9BDCB7

#D5F0E1

#ECF8F1

Rectangle

#9BDCB7

#9DC1DD

#DD9DC1

#DDB89D

Compound

#9BDCB7

#9DDDD8

#DD9DC1

#DD9DA1

Variations

Lighter

#B1E3C7

#C7E7D5

#E0F0E7

Darker

#63CB90

#319F60

#1B5E38

Saturation

#B3C6BB

#9DDDB8

#8CEEB6

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

1.58:1

Fail

vs Black

13.31:1

AAA

Deuteranopia

#9BDCB7

#C9C6BA

Original → Simulated

Protanopia

#9BDCB7

#D3D3BC

Original → Simulated

Tritanopia

#9BDCB7

#A1D6D7

Original → Simulated

Color Psychology

Calm · Restorative

Birthday King 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

#B4D2A4

Warm Bulb 2700K

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

#9BDCB7

Daylight 5500K

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

#A1D7C9

Cool Bulb 6500K

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

Pairs With

#E9ECEA

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F8F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#C77AA6

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: #9BDCB7;

CSS — background

background-color: #9BDCB7;

CSS Variable

--color-birthday-king: #9BDCB7;

Tailwind v3 — config

colors: { 'birthday-king': '#9BDCB7' }

Tailwind — arbitrary

bg-[#9BDCB7] text-[#9BDCB7]

SCSS

$birthday-king: #9BDCB7;

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#A6E3B5 · ΔE 5.3

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#86D2B2 · ΔE 5.7

Mermaid's Tale

#A1DFC5 · ΔE 6.3

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#A4DCC1 · ΔE 6.4

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#95D1B6 · ΔE 6.5

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#B2E1B9 · ΔE 6.6

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 #9BDCB7?

#9BDCB7 is Birthday King, a soft green with a warm undertone.

Is #9BDCB7 warm or cool?

Birthday King reads warm, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Birthday King?

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

What colors pair well with Birthday King?

Birthday King 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 Birthday King?

You can download Birthday King 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 Birthday King?

The hex code is #9BDCB7. In RGB it's 155, 220, 183, and in HSL it's 146°, 48%, 74%.

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