Palettes / Colors / #ECFF99

#ECFF99 — Light Vivid Green

#ECFF99 is a green color we call Light Vivid Green, closest to the named color Khaki (#F0E68C). It belongs to the green family.

Color name

Closest CSS keyword: khaki (#F0E68C) — not an exact match. CSS khaki gives you #F0E68C, a different color; use #ECFF99 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.

#ECFF99 is a warm-leaning green color associated with growth, calm and balance. It is light enough to work as a background or base color, with darker text on top.

Its strongest partner is its complement #AC99FF; it also sits naturally between #FFDF99 and #B9FF99. 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 93% · Green 100% · Blue 60%

Cyan 7% · Magenta 0% · Yellow 40% · Key 0%

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

Previews

CSS code for #ECFF99

.text { color: #ECFF99; }
.background { background-color: #ECFF99; }
.border { border: 3px solid #ECFF99; }
.text-rgb { color: rgb(236, 255, 153); }
.text-hsl { color: hsl(71, 100%, 80%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #ECFF99; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(236, 255, 153, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #ECFF99; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(236, 255, 153, 0.8); }

HTML: <p style="color:#ECFF99">Text here</p> · <div style="background-color:#ECFF99">Div content here</div>

Shades of #ECFF99

Tints of #ECFF99

Tones of #ECFF99

Color harmonies

Complementary — #AC99FF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #ECFF99: #000000.

Semi-transparent (opacity) text on #ECFF99

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 #ECFF99 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 #ECFF99 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

← #ECFF98  ·  #ECFF9A →

Frequently asked questions

What color is #ECFF99?

#ECFF99 is Light Vivid Green, a green color (RGB 236, 255, 153). Its closest standard named color is Khaki.

What is the RGB and HSL of #ECFF99?

#ECFF99 is RGB 236, 255, 153 — HSL 71°, 100%, 80% — CMYK 7%, 0%, 40%, 0%.

What colors go with #ECFF99?

Its complement is #AC99FF; analogous partners are #FFDF99 and #B9FF99. It also appears in 6+ palettes in our collection.

Can I use #ECFF99 for text?

Black text on #ECFF99 has a contrast ratio of 19.33:1 (passes WCAG AA); white text gives 1.09:1.