Color Details and Palettes for #A64017

Details about the color Rust

Closest web-safe match: #993300

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 #A64017
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About Color Hex #a64017

The color Rust, with hexadecimal code #a64017, sits in the orange color family, typically linked to enthusiasm, creativity, and warmth. Orange hues stimulate appetite and social interaction, which is why food brands and community platforms favor them. Additionally, it evokes emotions such as Enthusiasm, Warmth, Motivation and Adventure. Orange is associated with spirituality and courage in some cultures, such as in Hinduism and Buddhism. In Western cultures, it often represents autumn, harvest, and creativity. At 76% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. Its low lightness of 37% produces a deep, rich appearance—conveying gravity and luxury, particularly effective in dark-mode designs and premium packaging. This color is ideal for designs that aim to express Enthusiasm, Warmth, Motivation, or Adventure. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Rust are (166, 64, 23), providing a combination of red: 166, green: 64, and blue: 23. In HSL format, it has a hue of 17.00°, saturation of 76.00%, and lightness of 37.00%.

The HSV representation includes a hue of 17.00°, saturation of 86.00%, and value of 65.00%. Its CMYK composition is cyan: 0.00%, magenta: 61.00%, yellow: 86.00%, and black: 35.00%.

The calculated luminance of #a64017 is 0.118, offering a brightness level suitable for various design requirements.

This color is not part of the web-safe color palette. The closest web-safe color to this is the color HEX #993300. Its contrast ratio is 3.37:1 against black and 6.24:1 against white. It works well on light backgrounds but may be challenging on darker ones.

In terms of color temperature, #a64017 reads as warm. When it comes to accessibility, testing against standard guidelines suggests that using white text meets typical WCAG contrast standards. Additionally, the ideal foreground color for improved legibility on #a64017 is white.

Considering its saturation and lightness, #a64017 appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #A64017

Rust (#A64017) belongs to the Vermilion color family.

This vivid mid-tone strikes the ideal balance between intensity and readability, making it a strong candidate for primary brand colors, interactive UI elements, and logo design where immediate recognition is essential.

Historical Background

Vermilion—a brilliant red-orange pigment—was synthesized from mercury sulfide (cinnabar) as early as 8000 BC in Anatolia. Chinese artisans perfected synthetic vermilion around the 4th century BC, using it in lacquerware, seals, and religious manuscripts. In medieval Europe, vermilion illuminated the capital letters of sacred texts, literally giving us the word 'rubric' (from Latin ruber, red).

Design & Usage Tips

Vermilion bridges the intensity of red with the warmth of orange, making it ideal for food and beverage branding where appetite appeal matters. It pairs well with dark olive green for autumnal themes or with navy blue for a classic nautical palette. Avoid using vermilion for error states, as users may confuse it with orange warnings.

Positioned on the warm side of the color wheel (hue 17°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. With 76% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Vermilion projects confidence, vitality, and creative ambition. Its warm red-orange lean makes it feel more approachable and less aggressive than pure red, which is why lifestyle and travel brands favor it for invitations to adventure.

With a mid-range lightness of 37%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

Creative Design Ideas

Use vermilion as a header accent stripe above charcoal photography for editorial impact. In interior design, a single vermilion accent wall energizes a neutral room. For digital products, vermilion hover states on cards create engaging micro-interactions.

#A64017 Color Conversions

Every way to write Rust — copy Rust as RGB, HSL, HSV, HWB, CMYK, OKLCH, OKLab, CIELAB, LCH, XYZ or a decimal integer. One-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#A64017

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(166, 64, 23)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(17, 76%, 37%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(17, 86%, 65%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(17 9% 35%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(0%, 61%, 86%, 35%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(50.62% 0.144 39.90)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(50.62% 0.111 0.092)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 40.95, a: 40.11, b: 44.04

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 40.95, C: 59.57, H: 47.67

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 17.71, Y: 11.84, Z: 2.16

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
10895383

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

RGB Color Percentages for #a64017

RGB Color Percentages for Rust (HEX Code: #a64017) display the relative contribution of Red, Green, and Blue in forming the color. Understanding these percentages provides insight into the color's visual balance and primary components.

This color is primarily dominated by Red, making up 65.61% of the total composition. The complete breakdown of RGB contributions is:

Red:
65.61%
Green:
25.3%
Blue:
9.09%

This analysis highlights the influence of each primary color, offering a deeper understanding of the visual characteristics of Rust.

CMYK Ink Levels & Print Guide for #a64017

CMYK Ink Levels for Rust (HEX Code: #a64017) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Rust prominently features Yellow, reflecting its dominant color characteristic. This information is invaluable for optimizing ink usage and achieving precise color results in printed materials.

The exact CMYK values are: Cyan: 0%, Magenta: 61.45%, Yellow: 86.14%, and Black: 34.9%.

Luminance & Contrast for #A64017

Relative luminance gauges how bright Rust is, while the WCAG contrast ratios show how legible black or white text is on it — and which accessibility levels (AA / AAA) it passes.

Relative luminance 0.118
0 · dark1 · light
Aa
Black text 3.37:1
AA AAA Large
Aa
White text 6.24:1
AA AAA Large

Quick CSS Snippets for #A64017

Copy-and-paste CSS for Rust — backgrounds, text, borders and a custom property. Each line is ready to drop into your stylesheet.

Background background-color: #A64017;
Text color: #A64017;
Border border: 2px solid #A64017;
RGB background-color: rgb(166, 64, 23);
HSL background-color: hsl(17, 76%, 37%);
Variable --color: #A64017;

#a64017 Monochrome Palette

The Monochrome Palette consists of shades created by adjusting the brightness. These include lighter, original, and darker shades of the color. This layout helps to visualize the color's range and its potential use in design.

#f6ece8
#e9cfc5
#dbb3a2
#ce967f
#c1795d
#b35d3a
#a64017 Original
#8d3614
#742d10
#5b230d
#421a09
#2a1006
#110602

#a64017 Complementary Palette

The Complementary Palette is made up of two colors that sit opposite each other on the color wheel. These colors create high contrast and vibrant designs, making them perfect for attention-grabbing elements and dynamic visuals.

#a64017 Original
#177da6

#a64017 Analogic Palette

The Analogic Palette consists of colors that are next to each other on the color wheel. These colors typically create harmonious and subtle designs, often used to evoke calmness and unity in your visual projects.

#a64017 Original
#a68717
#a61736
#7da617
#a6177d
#36a617
#8717a6

#a64017 Triadic Palette

The Triadic Palette is made up of three colors evenly spaced on the color wheel. This combination provides a vibrant and balanced color scheme, often used for dynamic and energetic designs while maintaining harmony.

#a64017 Original
#17a63f
#3f17a6

#a64017 Quad Palette

The Quad Palette, also known as tetradic, consists of four colors evenly spaced on the color wheel. This combination offers a diverse and bold color scheme, ideal for creating rich, complex designs with multiple accents while still maintaining balance.

#a64017 Original
#36a617
#177da6
#8717a6

Color Blindness Simulation for #a64017

Colors are perceived differently by individuals with various forms of color blindness. Use the dropdown below to see how this color may look through the eyes of someone with color vision deficiency. Explore how Rust (#a64017) might appear to people with different visual experiences, and gain deeper insights into color accessibility for your designs!

Each color box displays a "Friendly" or "Not Friendly" tag in the bottom-right corner. A "Friendly" tag indicates that the color difference is distinguishable to individuals with the specific type of color blindness. Conversely, a "Not Friendly" tag means that the color difference might not be distinguishable, potentially causing accessibility issues in your design.

Normal Vision

Deuteranopia (Green Weakness)

Not Friendly

Protanopia (Red Weakness)

Not Friendly

Tritanopia (Blue-Yellow Weakness)

Friendly

Achromatopsia (Total Color Blindness)

Not Friendly

Color Harmonies for #a64017

Color harmonies refer to the visually pleasing combinations of colors that are derived from specific relationships on the color wheel. These harmonious schemes, such as complementary, triadic, and analogous colors, create a balanced and engaging visual experience in design.

Complementary

Analogous

Triadic

Tetradic (Quad)

#A64017 Nearby Colors

A handful of colors just a step away from #A64017 — each one nudges the brightness, richness, or shade a little while still feeling like the same color. Use the buttons on any swatch to copy its hex or open its full color page.

#bb5522 Roland-Garros
#993300 Chocoholic
#cc6633 Hot Caramel
#882200 Caponata
#aa3300 Rust
#994422 Coco Muck
#994400 Brownie
#aa3322 Sugo Della Nonna

Colors Similar to #a64017

These colors are close neighbours of #A64017 in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Orange tone.

#a74017 Rust
#a64117 Rust
#a64018 Rust
#a54017 Rust
#a63f17 Rust
#a64016 Rust
#b74017 Spice Market
#a65117 Sienna
#a64028 Toasted Paprika
#954017 Hot Brown
#a62f17 Salsa Picante
#a64006 Rust

Looking for more Orange shades? Browse Orange colors →

Explore Vibrant Images Featuring Rust (#a64017)

Discover a vibrant gallery of images that not only showcase the captivating hue of Rust, but also embody its unique mood and personality. Each carefully curated photo is selected to highlight the richness and diversity of this color, offering inspiration for design, art, and creative projects.