Palettes / Colors / #EFF245

#EFF245 — Vivid Yellow

#EFF245 is a yellow color we call Vivid Yellow, closest to the named color GreenYellow (#ADFF2F). It belongs to the yellow family.

#EFF245 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 #4845F2; it also sits naturally between #F29E45 and #99F245. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 94% · Green 95% · Blue 27%

Cyan 1% · Magenta 0% · Yellow 71% · Key 5%

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

Previews

CSS code for #EFF245

.text { color: #EFF245; }
.background { background-color: #EFF245; }
.border { border: 3px solid #EFF245; }
.text-rgb { color: rgb(239, 242, 69); }
.text-hsl { color: hsl(61, 87%, 61%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFF245; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 242, 69, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFF245; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 242, 69, 0.8); }

HTML: <p style="color:#EFF245">Text here</p> · <div style="background-color:#EFF245">Div content here</div>

Shades of #EFF245

Tints of #EFF245

Tones of #EFF245

Color harmonies

Complementary — #4845F2:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EFF245: #000000.

How #EFF245 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 #EFF245 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

← #EFF244  ·  #EFF246 →

Frequently asked questions

What color is #EFF245?

#EFF245 is Vivid Yellow, a yellow color (RGB 239, 242, 69). Its closest standard named color is GreenYellow.

What is the RGB and HSL of #EFF245?

#EFF245 is RGB 239, 242, 69 — HSL 61°, 87%, 61% — CMYK 1%, 0%, 71%, 5%.

What colors go with #EFF245?

Its complement is #4845F2; analogous partners are #F29E45 and #99F245. It also appears in 6+ palettes in our collection.

Can I use #EFF245 for text?

Black text on #EFF245 has a contrast ratio of 17.46:1 (passes WCAG AA); white text gives 1.20:1.