Donkey Brown (#664C28)

HEX, RGB, HSL, CMYK values + mood/style/use-case color tags. Use this page to keep your colors consistent across web and print.

Preview

Sample Text

This is how text may look on this color.

Best text color: #FFFFFF
Contrast vs white: 7.99:1 — vs black: 2.63:1

Color values

HEX #664C28
RGB rgb(102, 76, 40)
HSL hsl(34, 60%, 40%)
CMYK cmyk( 0, 25.49, 60.78, 60 )

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Tags

Mood

No tags yet.

Style

Use case

Text (210) Button (200) Accent (185)

Tip: tags are heuristic suggestions (helpful for browsing and inspiration).

Color Harmonies

Colors that pair well with #664C28 based on color theory relationships.

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

Donkey Brown
#664C28 Base

#284266

Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

Donkey Brown
#664C28 Base

#662D28

#616628

Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

Donkey Brown
#664C28 Base

#28664C

#4C2866

Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

Donkey Brown
#664C28 Base

#286166

#2D2866

Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

Donkey Brown
#664C28 Base

#28662D

#284266

#662861

Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

Donkey Brown
#664C28 Base

#120E07

#2F2312

#49361D

#836233

#9D753E

#C29B65

Shades & Tints

Darker shades and lighter tints of Donkey Brown, generated by adjusting lightness while keeping the same hue and saturation.

Shades (darker)

— #120E07

— #231A0E

— #342714

— #45331B

— #554021

Donkey Brown #664C28 Base

— #97713B

— #BE9459

— #D1B38A

— #E5D3BB

— #F8F3ED

CSS & SCSS Snippets

Ready-to-use code snippets for #664C28. Click the copy button to copy any snippet to your clipboard.

/* Background */
.element {
    background-color: #664C28;
}

/* Text */
.element {
    color: #664C28;
}

/* Border */
.element {
    border: 1px solid #664C28;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #664C28,
        #285CA4
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #664C28,
        #285CA4
    );
}

// SCSS variable
$donkey-brown: #664C28;

// With RGB channels (useful for rgba() usage)
$donkey-brown-r: 102;
$donkey-brown-g: 76;
$donkey-brown-b: 40;

// Usage
.element {
    background-color: $donkey-brown;
    color: rgba($donkey-brown-r, $donkey-brown-g, $donkey-brown-b, 0.8);
}

Color Blindness Simulation

How Donkey Brown appears to people with different types of color vision deficiency.

Normal Vision #664C28 How the color appears with full color vision.

Deuteranopia #555527 Deuteranopia affects ~8% of males. Green cones are absent, making it difficult to distinguish red from green. The most common form of color blindness.

Protanopia #4F4F28 Protanopia affects ~1% of males. Red cones are absent, causing reds to appear dark and indistinguishable from greens and browns.

Tritanopia #684949 Tritanopia is rare (~0.003%). Blue cones are absent, making blue and yellow difficult to distinguish. Blues may appear green, yellows appear pink.

Achromatopsia #515151 Achromatopsia is complete color blindness. The world is seen entirely in shades of grey. Affects ~1 in 30,000 people.

Similar Named Colors

The closest named colors to Donkey Brown ranked by perceptual difference (Delta-E 2000 — lower = more similar).

Donkey Brown #664C28 Base

Dark Brown #654321 ΔE 4.28

Pullman Brown (UPS Brown) #644117 ΔE 4.64

Field Drab #6C541E ΔE 5.45

Brown-nose #6B4423 ΔE 5.64

How to use this color

Copy HEX for CSS and design tools, or RGB/HSL for UI adjustments.
Use CMYK when preparing print assets (posters, packaging, brochures).
Check contrast before using it for text or important UI elements.