Palettes / Colors / #A4E901

#A4E901 — Vivid Green

#A4E901 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 #A4E901 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.

#A4E901 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 #4701E9; it also sits naturally between #E9BB01 and #30E901. 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 64% · Green 91% · Blue 0%

Cyan 30% · Magenta 0% · Yellow 100% · Key 9%

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

Previews

CSS code for #A4E901

.text { color: #A4E901; }
.background { background-color: #A4E901; }
.border { border: 3px solid #A4E901; }
.text-rgb { color: rgb(164, 233, 1); }
.text-hsl { color: hsl(78, 99%, 46%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #A4E901; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(164, 233, 1, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #A4E901; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(164, 233, 1, 0.8); }

HTML: <p style="color:#A4E901">Text here</p> · <div style="background-color:#A4E901">Div content here</div>

Shades of #A4E901

Tints of #A4E901

Tones of #A4E901

Color harmonies

Complementary — #4701E9:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #A4E901: #000000.

Semi-transparent (opacity) text on #A4E901

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 #A4E901 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 #A4E901 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

← #A4E900  ·  #A4E902 →

Frequently asked questions

What color is #A4E901?

#A4E901 is Vivid Green, a green color (RGB 164, 233, 1). Its closest standard named color is Chartreuse.

What is the RGB and HSL of #A4E901?

#A4E901 is RGB 164, 233, 1 — HSL 78°, 99%, 46% — CMYK 30%, 0%, 100%, 9%.

What colors go with #A4E901?

Its complement is #4701E9; analogous partners are #E9BB01 and #30E901. It also appears in 6+ palettes in our collection.

Can I use #A4E901 for text?

Black text on #A4E901 has a contrast ratio of 14.23:1 (passes WCAG AA); white text gives 1.48:1.