Palettes / Colors / #ECB604

#ECB604 — Vivid Yellow

#ECB604 is a yellow color we call Vivid Yellow, closest to the named color Orange (#FFA500). It belongs to the yellow family.

Color name

Closest CSS keyword: orange (#FFA500) — not an exact match. CSS orange gives you #FFA500, a different color; use #ECB604 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.

#ECB604 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 #043AEC; it also sits naturally between #EC4204 and #AEEC04. 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 71% · Blue 2%

Cyan 0% · Magenta 23% · Yellow 98% · Key 7%

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

Previews

CSS code for #ECB604

.text { color: #ECB604; }
.background { background-color: #ECB604; }
.border { border: 3px solid #ECB604; }
.text-rgb { color: rgb(236, 182, 4); }
.text-hsl { color: hsl(46, 97%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #ECB604; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(236, 182, 4, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #ECB604; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(236, 182, 4, 0.8); }

HTML: <p style="color:#ECB604">Text here</p> · <div style="background-color:#ECB604">Div content here</div>

Shades of #ECB604

Tints of #ECB604

Tones of #ECB604

Color harmonies

Complementary — #043AEC:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #ECB604: #000000.

Semi-transparent (opacity) text on #ECB604

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 #ECB604 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 #ECB604 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

← #ECB603  ·  #ECB605 →

Frequently asked questions

What color is #ECB604?

#ECB604 is Vivid Yellow, a yellow color (RGB 236, 182, 4). Its closest standard named color is Orange.

What is the RGB and HSL of #ECB604?

#ECB604 is RGB 236, 182, 4 — HSL 46°, 97%, 47% — CMYK 0%, 23%, 98%, 7%.

What colors go with #ECB604?

Its complement is #043AEC; analogous partners are #EC4204 and #AEEC04. It also appears in 6+ palettes in our collection.

Can I use #ECB604 for text?

Black text on #ECB604 has a contrast ratio of 11.26:1 (passes WCAG AA); white text gives 1.87:1.