Palettes / Colors / #CDEE1A

#CDEE1A — Vivid Yellow

#CDEE1A 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 #CDEE1A 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.

#CDEE1A 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 #3B1BEE; it also sits naturally between #EEA41B and #65EE1B. 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 93% · Blue 10%

Cyan 14% · Magenta 0% · Yellow 89% · Key 7%

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

Previews

CSS code for #CDEE1A

.text { color: #CDEE1A; }
.background { background-color: #CDEE1A; }
.border { border: 3px solid #CDEE1A; }
.text-rgb { color: rgb(205, 238, 26); }
.text-hsl { color: hsl(69, 86%, 52%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CDEE1A; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(205, 238, 26, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CDEE1A; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(205, 238, 26, 0.8); }

HTML: <p style="color:#CDEE1A">Text here</p> · <div style="background-color:#CDEE1A">Div content here</div>

Shades of #CDEE1A

Tints of #CDEE1A

Tones of #CDEE1A

Color harmonies

Complementary — #3B1BEE:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #CDEE1A: #000000.

Semi-transparent (opacity) text on #CDEE1A

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 #CDEE1A 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 #CDEE1A 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

← #CDEE19  ·  #CDEE1B →

Frequently asked questions

What color is #CDEE1A?

#CDEE1A is Vivid Yellow, a yellow color (RGB 205, 238, 26). Its closest standard named color is GreenYellow.

What is the RGB and HSL of #CDEE1A?

#CDEE1A is RGB 205, 238, 26 — HSL 69°, 86%, 52% — CMYK 14%, 0%, 89%, 7%.

What colors go with #CDEE1A?

Its complement is #3B1BEE; analogous partners are #EEA41B and #65EE1B. It also appears in 6+ palettes in our collection.

Can I use #CDEE1A for text?

Black text on #CDEE1A has a contrast ratio of 15.84:1 (passes WCAG AA); white text gives 1.33:1.