Palettes / Colors / #ECFF5C

#ECFF5C — Light Vivid Yellow

#ECFF5C is a yellow color we call Light Vivid Yellow, closest to the named color Khaki (#F0E68C). It belongs to the yellow family.

#ECFF5C 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 #6F5CFF; it also sits naturally between #FFC05C and #9AFF5C. 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 36%

Cyan 7% · Magenta 0% · Yellow 64% · Key 0%

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

Previews

CSS code for #ECFF5C

.text { color: #ECFF5C; }
.background { background-color: #ECFF5C; }
.border { border: 3px solid #ECFF5C; }
.text-rgb { color: rgb(236, 255, 92); }
.text-hsl { color: hsl(67, 100%, 68%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #ECFF5C; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(236, 255, 92, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #ECFF5C; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(236, 255, 92, 0.8); }

HTML: <p style="color:#ECFF5C">Text here</p> · <div style="background-color:#ECFF5C">Div content here</div>

Shades of #ECFF5C

Tints of #ECFF5C

Tones of #ECFF5C

Color harmonies

Complementary — #6F5CFF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #ECFF5C: #000000.

How #ECFF5C 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 #ECFF5C 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

← #ECFF5B  ·  #ECFF5D →

Frequently asked questions

What color is #ECFF5C?

#ECFF5C is Light Vivid Yellow, a yellow color (RGB 236, 255, 92). Its closest standard named color is Khaki.

What is the RGB and HSL of #ECFF5C?

#ECFF5C is RGB 236, 255, 92 — HSL 67°, 100%, 68% — CMYK 7%, 0%, 64%, 0%.

What colors go with #ECFF5C?

Its complement is #6F5CFF; analogous partners are #FFC05C and #9AFF5C. It also appears in 6+ palettes in our collection.

Can I use #ECFF5C for text?

Black text on #ECFF5C has a contrast ratio of 19.03:1 (passes WCAG AA); white text gives 1.10:1.