Palettes / Colors / #40FF00

#40FF00 — Vivid Green

#40FF00 is a green color we call Vivid Green, closest to the named color LawnGreen (#7CFC00). It belongs to the green family.

#40FF00 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 #BF00FF; it also sits naturally between #BFFF00 and #00FF40. 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 25% · Green 100% · Blue 0%

Cyan 75% · Magenta 0% · Yellow 100% · Key 0%

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

Previews

CSS code for #40FF00

.text { color: #40FF00; }
.background { background-color: #40FF00; }
.border { border: 3px solid #40FF00; }
.text-rgb { color: rgb(64, 255, 0); }
.text-hsl { color: hsl(105, 100%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #40FF00; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(64, 255, 0, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #40FF00; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(64, 255, 0, 0.8); }

HTML: <p style="color:#40FF00">Text here</p> · <div style="background-color:#40FF00">Div content here</div>

Shades of #40FF00

Tints of #40FF00

Tones of #40FF00

Color harmonies

Complementary — #BF00FF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #40FF00: #000000.

How #40FF00 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 #40FF00 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

← #40FEFF  ·  #40FF01 →

Frequently asked questions

What color is #40FF00?

#40FF00 is Vivid Green, a green color (RGB 64, 255, 0). Its closest standard named color is LawnGreen.

What is the RGB and HSL of #40FF00?

#40FF00 is RGB 64, 255, 0 — HSL 105°, 100%, 50% — CMYK 75%, 0%, 100%, 0%.

What colors go with #40FF00?

Its complement is #BF00FF; analogous partners are #BFFF00 and #00FF40. It also appears in 6+ palettes in our collection.

Can I use #40FF00 for text?

Black text on #40FF00 has a contrast ratio of 15.52:1 (passes WCAG AA); white text gives 1.35:1.