Palettes / Colors / #C8EA09

#C8EA09 — Vivid Yellow

#C8EA09 is a yellow color we call Vivid Yellow, closest to the named color GreenYellow (#ADFF2F). It belongs to the yellow family.

Color name

Closest CSS keyword: greenyellow (#ADFF2F) — not an exact match. CSS greenyellow gives you #ADFF2F, a different color; use #C8EA09 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.

#C8EA09 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 #2B09EC; it also sits naturally between #EC9D09 and #58EC09. 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 78% · Green 92% · Blue 4%

Cyan 15% · Magenta 0% · Yellow 96% · Key 8%

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

Previews

CSS code for #C8EA09

.text { color: #C8EA09; }
.background { background-color: #C8EA09; }
.border { border: 3px solid #C8EA09; }
.text-rgb { color: rgb(200, 234, 9); }
.text-hsl { color: hsl(69, 93%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #C8EA09; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(200, 234, 9, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #C8EA09; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(200, 234, 9, 0.8); }

HTML: <p style="color:#C8EA09">Text here</p> · <div style="background-color:#C8EA09">Div content here</div>

Shades of #C8EA09

Tints of #C8EA09

Tones of #C8EA09

Color harmonies

Complementary — #2B09EC:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #C8EA09: #000000.

Semi-transparent (opacity) text on #C8EA09

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 #C8EA09 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 #C8EA09 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

← #C8EA08  ·  #C8EA0A →

Frequently asked questions

What color is #C8EA09?

#C8EA09 is Vivid Yellow, a yellow color (RGB 200, 234, 9). Its closest standard named color is GreenYellow.

What is the RGB and HSL of #C8EA09?

#C8EA09 is RGB 200, 234, 9 — HSL 69°, 93%, 48% — CMYK 15%, 0%, 96%, 8%.

What colors go with #C8EA09?

Its complement is #2B09EC; analogous partners are #EC9D09 and #58EC09. It also appears in 6+ palettes in our collection.

Can I use #C8EA09 for text?

Black text on #C8EA09 has a contrast ratio of 15.23:1 (passes WCAG AA); white text gives 1.38:1.