YELLOWS

Under the Sun

#EFD100

RGB 239, 209, 0 · HSL 52°, 100%, 47% · CMYK 0, 13, 100, 6

Under the Sun is #EFD100 in HEX — rgb(239, 209, 0), hsl(52°, 100%, 47%), cmyk(0%, 13%, 100%, 6%).

Under the Sun pulls into the mid-tone end of the yellows spectrum — HSL 52°, 100%, 47%. The saturated saturation makes it bold and immediate, and the hue reads warm. In interior projects it shines on kitchens, breakfast nooks, kids' rooms, accent walls — bringing sunlight indoors. Reads best alongside white trim, natural linen, light oak, brushed brass.

Color Codes

HEX#EFD100

RGB239, 209, 0

HSL52°, 100%, 47%

HSV52°, 100%, 94%

CMYK0, 13, 100, 6

Decimal15716608

CSS RGBrgb(239, 209, 0)

CSS HSLhsl(52, 100%, 47%)

Paint Matches — this color across 16 brands

Benjamin Moore

Baby 2023-20

ΔE 2.5 · #F1CE01

RAL

Colza Yellow 1021

ΔE 4 · #F3DA0B

Behr

Lemon Zest S-G-390

ΔE 4.1 · #FCD709

Dulux

Jubilation S17H9

ΔE 4.6 · #FBD624

Hallman-Lindsay

Sunnyside 842

ΔE 4.8 · #F8D016

Vista Paint

Buttered Popcorn C-842

ΔE 4.8 · #F1CA00

Dunn-Edwards

Summer Sun DE5405

ΔE 5.8 · #FFDC00

Valspar

Yellow Mustard 3007-1A

ΔE 6.8 · #FACD03

PPG

Acorn Squash 1212-6

ΔE 7.4 · #FFDF38

Sherwin-Williams

Confident Yellow SW6911

ΔE 9.5 · #FECB01

Dutch Boy

Lemon Yellow D-6761

ΔE 12 · #FFC700

Kobra

Yellow 07

ΔE 13.2 · #FAD140

Kilz

Green Gone Wild LH270

ΔE 15.2 · #CCC921

Colorhouse

Aspire .06 Aspire-06

ΔE 24.2 · #FFBA38

IKEA

IKEA109 109

ΔE 28.3 · #F4D96C

Farrow & Ball

Babouche 223

ΔE 33 · #ECC363

Light Reflectance & Undertone

Light Reflectance Value (LRV)

64/100

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

TemperatureWarm MasstoneYellow UndertoneGreen

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

Color Theory

Complementary

#EFD100

#0020F0

Analogous

#F05800

#EFD100

#98F000

Triadic

#EFD100

#00F0D0

#D000F0

Split-Complementary

#EFD100

#0098F0

#5800F0

Tetradic

#EFD100

#00F058

#0020F0

#F00098

Monochromatic

#574B00

#A38D00

#EFD100

#FFE53D

#FFEF8A

Rectangle

#EFD100

#20F000

#0020F0

#D000F0

Compound

#EFD100

#98F000

#0020F0

#5800F0

Variations

Lighter

#FFE227

#F3E069

#F1E8AF

Darker

#C0A600

#847200

#4D4200

Saturation

#9C9254

#F0D000

Interior Use

Best Rooms

kitchens, breakfast nooks, kids' rooms

Best Uses

accent walls, ceilings, cabinetry highlights

Pairs With

white trim, natural linen, light oak, brushed brass

Accessibility (WCAG)

vs White

1.52:1

Fail

vs Black

13.79:1

AAA

Deuteranopia

#EFD100

#EBD406

Original → Simulated

Protanopia

#EFD100

#D6D651

Original → Simulated

Tritanopia

#EFD100

#F4C2CD

Original → Simulated

Color Psychology

Bright · Optimistic

Under the Sun brings light into spaces that lack it — kitchens, breakfast nooks, kids' rooms wake up under it. The trick with yellow is restraint: lean toward the muted/buttery end if you want it on walls; reserve high-chroma versions for accents and trim.

SymbolismSunlight, clarity, intellect

PersonalityCheerful, alert, sociable

sunlightclarityjoyalertnesskitchenmorning

How it looks under different light

#F3C91B

Warm Bulb 2700K

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

#EFD100

Daylight 5500K

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

#E0CE3F

Cool Bulb 6500K

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

Pairs With

#EEEDE7

Trim

Matched off-white

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

#F8F8F7

Ceiling

Whisper tint

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

#142AB7

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: #EFD100;

CSS — background

background-color: #EFD100;

CSS Variable

--color-under-the-sun: #EFD100;

Tailwind v3 — config

colors: { 'under-the-sun': '#EFD100' }

Tailwind — arbitrary

bg-[#EFD100] text-[#EFD100]

SCSS

$under-the-sun: #EFD100;

Similar Colors

Baby Chick

#F0CD00 · ΔE 2.7

Sun Porch

#F8D60A · ΔE 2.7

Yolk

#ECC900 · ΔE 4.0

Bright Yellow

#FFDB00 · ΔE 5.6

Sun Kissed Yellow

#FFD600 · ΔE 5.7

Yellow

#FFD400 · ΔE 6.2

Bold Yellow

#FFDD39 · ΔE 7.8

Sunshine

#FFCE0B · ΔE 8.5

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 #EFD100?

#EFD100 is Under the Sun, a mid-tone yellow with a warm undertone.

Is #EFD100 warm or cool?

Under the Sun reads warm, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Under the Sun?

Under the Sun works well in kitchens, breakfast nooks, kids' rooms. Designers typically use it for accent walls, ceilings, cabinetry highlights.

What colors pair well with Under the Sun?

Under the Sun pairs naturally with white trim, natural linen, light oak, brushed brass. Its complementary color is also a strong contrast option for accents.

Where can I download Under the Sun?

You can download Under the Sun 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 Under the Sun?

The hex code is #EFD100. In RGB it's 239, 209, 0, and in HSL it's 52°, 100%, 47%.

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