Palettes / Colors / #EFFE65

#EFFE65 — Light Vivid Yellow

#EFFE65 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 #EFFE65 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.

#EFFE65 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 #7667FE; it also sits naturally between #FEC267 and #A3FE67. 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 94% · Green 100% · Blue 40%

Cyan 6% · Magenta 0% · Yellow 60% · Key 0%

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

Previews

CSS code for #EFFE65

.text { color: #EFFE65; }
.background { background-color: #EFFE65; }
.border { border: 3px solid #EFFE65; }
.text-rgb { color: rgb(239, 254, 101); }
.text-hsl { color: hsl(66, 99%, 70%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFFE65; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 254, 101, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFFE65; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 254, 101, 0.8); }

HTML: <p style="color:#EFFE65">Text here</p> · <div style="background-color:#EFFE65">Div content here</div>

Shades of #EFFE65

Tints of #EFFE65

Tones of #EFFE65

Color harmonies

Complementary — #7667FE:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EFFE65: #000000.

Semi-transparent (opacity) text on #EFFE65

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 #EFFE65 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 #EFFE65 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

← #EFFE64  ·  #EFFE66 →

Frequently asked questions

What color is #EFFE65?

#EFFE65 is Light Vivid Yellow, a yellow color (RGB 239, 254, 101). Its closest standard named color is Khaki.

What is the RGB and HSL of #EFFE65?

#EFFE65 is RGB 239, 254, 101 — HSL 66°, 99%, 70% — CMYK 6%, 0%, 60%, 0%.

What colors go with #EFFE65?

Its complement is #7667FE; analogous partners are #FEC267 and #A3FE67. It also appears in 6+ palettes in our collection.

Can I use #EFFE65 for text?

Black text on #EFFE65 has a contrast ratio of 19.03:1 (passes WCAG AA); white text gives 1.10:1.