Palettes / Colors / #FFE366

#FFE366 — Light Vivid Yellow

#FFE366 is a yellow color we call Light Vivid Yellow, closest to the named color Khaki (#F0E68C). It belongs to the yellow family.

Color name

Closest CSS keyword: khaki (#F0E68C) — not an exact match. CSS khaki gives you #F0E68C, a different color; use #FFE366 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.

#FFE366 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 #6682FF; it also sits naturally between #FF9666 and #CFFF66. 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 100% · Green 89% · Blue 40%

Cyan 0% · Magenta 11% · Yellow 60% · Key 0%

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

Previews

CSS code for #FFE366

.text { color: #FFE366; }
.background { background-color: #FFE366; }
.border { border: 3px solid #FFE366; }
.text-rgb { color: rgb(255, 227, 102); }
.text-hsl { color: hsl(49, 100%, 70%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #FFE366; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(255, 227, 102, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #FFE366; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(255, 227, 102, 0.8); }

HTML: <p style="color:#FFE366">Text here</p> · <div style="background-color:#FFE366">Div content here</div>

Shades of #FFE366

Tints of #FFE366

Tones of #FFE366

Color harmonies

Complementary — #6682FF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #FFE366: #000000.

Semi-transparent (opacity) text on #FFE366

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 #FFE366 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 #FFE366 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

← #FFE365  ·  #FFE367 →

Frequently asked questions

What color is #FFE366?

#FFE366 is Light Vivid Yellow, a yellow color (RGB 255, 227, 102). Its closest standard named color is Khaki.

What is the RGB and HSL of #FFE366?

#FFE366 is RGB 255, 227, 102 — HSL 49°, 100%, 70% — CMYK 0%, 11%, 60%, 0%.

What colors go with #FFE366?

Its complement is #6682FF; analogous partners are #FF9666 and #CFFF66. It also appears in 6+ palettes in our collection.

Can I use #FFE366 for text?

Black text on #FFE366 has a contrast ratio of 16.43:1 (passes WCAG AA); white text gives 1.28:1.