Palettes / Colors / #EFFF87

#EFFF87 — Light Vivid Yellow

#EFFF87 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 #EFFF87 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.

#EFFF87 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 #9585FF; it also sits naturally between #FFD285 and #B1FF85. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 94% · Green 100% · Blue 53%

Cyan 6% · Magenta 0% · Yellow 47% · Key 0%

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

Previews

CSS code for #EFFF87

.text { color: #EFFF87; }
.background { background-color: #EFFF87; }
.border { border: 3px solid #EFFF87; }
.text-rgb { color: rgb(239, 255, 135); }
.text-hsl { color: hsl(68, 100%, 76%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFFF87; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 255, 135, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFFF87; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 255, 135, 0.8); }

HTML: <p style="color:#EFFF87">Text here</p> · <div style="background-color:#EFFF87">Div content here</div>

Shades of #EFFF87

Tints of #EFFF87

Tones of #EFFF87

Color harmonies

Complementary — #9585FF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EFFF87: #000000.

Semi-transparent (opacity) text on #EFFF87

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 #EFFF87 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 #EFFF87 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

← #EFFF86  ·  #EFFF88 →

Frequently asked questions

What color is #EFFF87?

#EFFF87 is Light Vivid Yellow, a yellow color (RGB 239, 255, 135). Its closest standard named color is Khaki.

What is the RGB and HSL of #EFFF87?

#EFFF87 is RGB 239, 255, 135 — HSL 68°, 100%, 76% — CMYK 6%, 0%, 47%, 0%.

What colors go with #EFFF87?

Its complement is #9585FF; analogous partners are #FFD285 and #B1FF85. It also appears in 6+ palettes in our collection.

Can I use #EFFF87 for text?

Black text on #EFFF87 has a contrast ratio of 19.32:1 (passes WCAG AA); white text gives 1.09:1.