Palettes / Colors / #CBE21C

#CBE21C — Vivid Yellow

#CBE21C 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 #CBE21C 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.

#CBE21C 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 #331CE3; it also sits naturally between #E3971C and #68E31C. 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 80% · Green 89% · Blue 11%

Cyan 10% · Magenta 0% · Yellow 88% · Key 11%

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

Previews

CSS code for #CBE21C

.text { color: #CBE21C; }
.background { background-color: #CBE21C; }
.border { border: 3px solid #CBE21C; }
.text-rgb { color: rgb(203, 226, 28); }
.text-hsl { color: hsl(67, 78%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CBE21C; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(203, 226, 28, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CBE21C; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(203, 226, 28, 0.8); }

HTML: <p style="color:#CBE21C">Text here</p> · <div style="background-color:#CBE21C">Div content here</div>

Shades of #CBE21C

Tints of #CBE21C

Tones of #CBE21C

Color harmonies

Complementary — #331CE3:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #CBE21C: #000000.

Semi-transparent (opacity) text on #CBE21C

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 #CBE21C 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 #CBE21C 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

← #CBE21B  ·  #CBE21D →

Frequently asked questions

What color is #CBE21C?

#CBE21C is Vivid Yellow, a yellow color (RGB 203, 226, 28). Its closest standard named color is GreenYellow.

What is the RGB and HSL of #CBE21C?

#CBE21C is RGB 203, 226, 28 — HSL 67°, 78%, 50% — CMYK 10%, 0%, 88%, 11%.

What colors go with #CBE21C?

Its complement is #331CE3; analogous partners are #E3971C and #68E31C. It also appears in 6+ palettes in our collection.

Can I use #CBE21C for text?

Black text on #CBE21C has a contrast ratio of 14.43:1 (passes WCAG AA); white text gives 1.45:1.