Palettes / Colors / #FFEC18

#FFEC18 — Vivid Yellow

#FFEC18 is a yellow color we call Vivid Yellow, closest to the named color Yellow (#FFFF00). It belongs to the yellow family.

Color name

Closest CSS keyword: yellow (#FFFF00) — not an exact match. CSS yellow gives you #FFFF00, a different color; use #FFEC18 when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#FFEC18 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 #1A2DFF; it also sits naturally between #FF791A and #9FFF1A. 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 100% · Green 93% · Blue 9%

Cyan 0% · Magenta 7% · Yellow 91% · Key 0%

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

Previews

CSS code for #FFEC18

.text { color: #FFEC18; }
.background { background-color: #FFEC18; }
.border { border: 3px solid #FFEC18; }
.text-rgb { color: rgb(255, 236, 24); }
.text-hsl { color: hsl(55, 100%, 55%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #FFEC18; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(255, 236, 24, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #FFEC18; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(255, 236, 24, 0.8); }

HTML: <p style="color:#FFEC18">Text here</p> · <div style="background-color:#FFEC18">Div content here</div>

Shades of #FFEC18

Tints of #FFEC18

Tones of #FFEC18

Color harmonies

Complementary — #1A2DFF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #FFEC18: #000000.

Semi-transparent (opacity) text on #FFEC18

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #FFEC18 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 #FFEC18 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

← #FFEC17  ·  #FFEC19 →

Frequently asked questions

What color is #FFEC18?

#FFEC18 is Vivid Yellow, a yellow color (RGB 255, 236, 24). Its closest standard named color is Yellow.

What is the RGB and HSL of #FFEC18?

#FFEC18 is RGB 255, 236, 24 — HSL 55°, 100%, 55% — CMYK 0%, 7%, 91%, 0%.

What colors go with #FFEC18?

Its complement is #1A2DFF; analogous partners are #FF791A and #9FFF1A. It also appears in 6+ palettes in our collection.

Can I use #FFEC18 for text?

Black text on #FFEC18 has a contrast ratio of 17.26:1 (passes WCAG AA); white text gives 1.22:1.