Palettes / Colors / #EFEC3E

#EFEC3E — Vivid Yellow

#EFEC3E is a yellow color we call Vivid Yellow, closest to the named color Yellow (#FFFF00). It belongs to the yellow family.

#EFEC3E is a warm yellow color associated with optimism, attention and cheer. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #3E41EF; it also sits naturally between #EF933E and #99EF3E. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 94% · Green 93% · Blue 24%

Cyan 0% · Magenta 1% · Yellow 74% · Key 6%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #EFEC3E

.text { color: #EFEC3E; }
.background { background-color: #EFEC3E; }
.border { border: 3px solid #EFEC3E; }
.text-rgb { color: rgb(239, 236, 62); }
.text-hsl { color: hsl(59, 85%, 59%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFEC3E; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 236, 62, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFEC3E; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 236, 62, 0.8); }

HTML: <p style="color:#EFEC3E">Text here</p> · <div style="background-color:#EFEC3E">Div content here</div>

Shades of #EFEC3E

Tints of #EFEC3E

Tones of #EFEC3E

Color harmonies

Complementary — #3E41EF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EFEC3E: #000000.

How #EFEC3E looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with a similar color

These palettes use a close neighbour of #EFEC3E rather than the exact color:

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #EFEC3D  ·  #EFEC3F →

Frequently asked questions

What color is #EFEC3E?

#EFEC3E is Vivid Yellow, a yellow color (RGB 239, 236, 62). Its closest standard named color is Yellow.

What is the RGB and HSL of #EFEC3E?

#EFEC3E is RGB 239, 236, 62 — HSL 59°, 85%, 59% — CMYK 0%, 1%, 74%, 6%.

What colors go with #EFEC3E?

Its complement is #3E41EF; analogous partners are #EF933E and #99EF3E. It also appears in 6+ palettes in our collection.

Can I use #EFEC3E for text?

Black text on #EFEC3E has a contrast ratio of 16.74:1 (passes WCAG AA); white text gives 1.25:1.