Palettes / Colors / #ECF665

#ECF665 — Light Vivid Yellow

#ECF665 is a yellow color we call Light Vivid Yellow, closest to the named color Khaki (#F0E68C). It belongs to the yellow family.

#ECF665 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 #6E65F6; it also sits naturally between #F6B765 and #A4F665. 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 96% · Blue 40%

Cyan 4% · Magenta 0% · Yellow 59% · Key 4%

Previews

CSS code for #ECF665

.text { color: #ECF665; }
.background { background-color: #ECF665; }
.border { border: 3px solid #ECF665; }
.text-rgb { color: rgb(236, 246, 101); }
.text-hsl { color: hsl(64, 89%, 68%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #ECF665; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(236, 246, 101, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #ECF665; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(236, 246, 101, 0.8); }

HTML: <p style="color:#ECF665">Text here</p> · <div style="background-color:#ECF665">Div content here</div>

Shades of #ECF665

Tints of #ECF665

Tones of #ECF665

Color harmonies

Complementary — #6E65F6:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #ECF665: #000000.

How #ECF665 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 #ECF665 or a close neighbour

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #ECF664  ·  #ECF666 →

Frequently asked questions

What color is #ECF665?

#ECF665 is Light Vivid Yellow, a yellow color (RGB 236, 246, 101). Its closest standard named color is Khaki.

What is the RGB and HSL of #ECF665?

#ECF665 is RGB 236, 246, 101 — HSL 64°, 89%, 68% — CMYK 4%, 0%, 59%, 4%.

What colors go with #ECF665?

Its complement is #6E65F6; analogous partners are #F6B765 and #A4F665. It also appears in 6+ palettes in our collection.

Can I use #ECF665 for text?

Black text on #ECF665 has a contrast ratio of 17.94:1 (passes WCAG AA); white text gives 1.17:1.