Palettes / Colors / #99EC00

#99EC00 — Vivid Green

#99EC00 is a green color we call Vivid Green, closest to the named color Chartreuse (#7FFF00). It belongs to the green family.

Color name

Closest CSS keyword: chartreuse (#7FFF00) — not an exact match. CSS chartreuse gives you #7FFF00, a different color; use #99EC00 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.

#99EC00 is a warm-leaning green color associated with growth, calm and balance. 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 #5200EB; it also sits naturally between #EBC700 and #23EB00. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 60% · Green 93% · Blue 0%

Cyan 35% · Magenta 0% · Yellow 100% · Key 7%

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

Previews

CSS code for #99EC00

.text { color: #99EC00; }
.background { background-color: #99EC00; }
.border { border: 3px solid #99EC00; }
.text-rgb { color: rgb(153, 236, 0); }
.text-hsl { color: hsl(81, 100%, 46%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #99EC00; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(153, 236, 0, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #99EC00; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(153, 236, 0, 0.8); }

HTML: <p style="color:#99EC00">Text here</p> · <div style="background-color:#99EC00">Div content here</div>

Shades of #99EC00

Tints of #99EC00

Tones of #99EC00

Color harmonies

Complementary — #5200EB:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #99EC00: #000000.

Semi-transparent (opacity) text on #99EC00

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 #99EC00 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 #99EC00 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

← #99EBFF  ·  #99EC01 →

Frequently asked questions

What color is #99EC00?

#99EC00 is Vivid Green, a green color (RGB 153, 236, 0). Its closest standard named color is Chartreuse.

What is the RGB and HSL of #99EC00?

#99EC00 is RGB 153, 236, 0 — HSL 81°, 100%, 46% — CMYK 35%, 0%, 100%, 7%.

What colors go with #99EC00?

Its complement is #5200EB; analogous partners are #EBC700 and #23EB00. It also appears in 6+ palettes in our collection.

Can I use #99EC00 for text?

Black text on #99EC00 has a contrast ratio of 14.35:1 (passes WCAG AA); white text gives 1.46:1.