Closest web-safe match: #666666

Color Details and Palettes for #78637C

Details about the color Opera#78637C

Conversions, palettes, contrast & design ideas for this color.

Purple family Cool WCAG ink: white
HEX #78637C RGB rgb(120, 99, 124) HSL hsl(290, 11%, 44%) CMYK cmyk(3%, 20%, 0%, 51%)

Color profile

About Color Hex #78637C

#78637C is a cool color from the Purple family, closest in name to “Opera”. In RGB it is rgb(120, 99, 124); in HSL, hsl(290, 11%, 44%).

The color Opera, with hexadecimal code #78637c, lands in the purple family, historically reserved for royalty due to the extreme cost of Tyrian dye. Purple activates imagination and spiritual contemplation, blending red's passion with blue's serenity. Additionally, it evokes emotions such as Compassion, Sincerity, Sophistication, Sweetness and Romance. Purple is often linked to creativity, luxury, and spirituality. In Western cultures, it is also associated with ambition and wealth. Indigo and violet have long signified royalty and nobility. At just 11% saturation, this near-neutral shade carries only a subtle hint of its underlying hue, making it versatile for large surfaces and professional contexts. With a mid-range lightness of 44%, it offers excellent versatility—readable as text on light backgrounds and visible as an element on dark ones. This color is ideal for designs that aim to express Compassion, Sincerity, Sophistication, Sweetness, or Romance. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 120, 99, 124 red · green · blue HSL 290° 11% 44% hue · sat · light HSV 290° 20% 49% design-app pickers CMYK 3 20 0 51 print inks, % Luminance 0.144 0 dark → 1 light On black 3.87:1 ✕ AA contrast ratio On white 5.42:1 ✓ AA contrast ratio Web-safe #666666 closest web-safe Best text white ideal foreground Character Vivid cool · purple family

The story of this color

History, Usage, Psychology & Design Ideas for #78637C

Opera (#78637C) belongs to the Purple color family.

With a dusty, low-saturation character, this color offers quiet complexity—neither bold nor faded. Dusty tones add vintage charm to retro-inspired designs and pair beautifully with metallic accents like copper or brass.

Historical Background

Tyrian purple—derived from the mucus of Murex sea snails—required 12,000 snails to produce just 1.5 grams of dye, making it the most expensive substance in the ancient world. Roman emperors decreed it exclusive to royalty, and Byzantine empresses gave birth in a porphyry-lined chamber so children could be 'born in the purple.' This legacy of exclusivity persists: purple remains shorthand for luxury and prestige.

Design & Usage Tips

Purple excels in beauty, wellness, and premium lifestyle branding. Lighter purples (lavender, lilac) suit self-care and floral products, while saturated purples project confidence and creativity. Pair purple with mint green for a fresh contrast, or with charcoal for understated elegance.

Sitting on the cool side of the spectrum (hue 290°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. With only 11% saturation, this near-neutral shade carries just a hint of its underlying hue—subtle enough for large surfaces yet adding more warmth (or coolness) than a pure gray.

Psychological Impact

Purple activates imagination and spiritual contemplation. It blends red's passion with blue's calm, creating a sense of creative tension. In marketing, purple appeals to audiences seeking uniqueness, quality, and a touch of the mystical.

With a mid-range lightness of 44%, 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 deep purple backgrounds with metallic gold or rose-gold typography for luxury brand identities. Create purple-to-pink gradients for creative agency hero sections. In app design, purple primary buttons with white text feel premium and distinctive against light backgrounds.

Every format

#78637C Color Conversions

Every way to write Opera — one-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#78637C

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(120, 99, 124)

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(290, 11%, 44%)

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(290, 20%, 49%)

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(290 39% 51%)

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(3%, 20%, 0%, 51%)

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(52.89% 0.046 320.89)

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

OKLab Modern
oklab(52.89% 0.036 -0.029)

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: 44.76, a: 13.28, b: -10.81

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

LCH Perceptual
L: 44.76, C: 17.12, H: 320.87

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

XYZ CIE Science
X: 15.85, Y: 14.37, Z: 21.01

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
7889788

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

Channel breakdown

RGB Color Percentages for #78637C

How much red, green and blue light mixes into Opera.

Red 120/255 35.0% Green 99/255 28.9% Blue 124/255 36.2%

Percentages show each channel's share of the total light (R + G + B) in Opera.

Ink coverage

CMYK Ink Levels & Print Guide for #78637C

Ink needed to reproduce Opera in four-color print. Heaviest ink: Key (Black).

3% CYAN 20% MAGENTA 0% YELLOW 51% KEY

Print tip: treat these values as a starting point — final output depends on printer profile, paper stock and calibration.

Accessibility · WCAG

Luminance & Contrast for #78637C

How bright Opera is, and how far black and white text clear each WCAG bar.

Relative luminance 0.144
0 · dark1 · light

Contrast ratio · 1:1 → 21:1 (log scale)

Aa Black text 3.87:1 ✕ AA ✕ AAA ✓ Large
Aa White text 5.42:1 ✓ AA ✕ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #78637C

Copy-and-paste CSS for Opera — per-line copy, or grab the whole block.

opera.css
background-color: #78637C;
color: #78637C;
border: 2px solid #78637C;
background-color: rgb(120, 99, 124);
background-color: hsl(290, 11%, 44%);
--color: #78637C;

Shades · light to dark

#78637C Monochrome Palette

Lighter and darker steps of Opera — the color's full brightness range in one strip.

#F2EFF2
#DDD8DE
#C9C1CB
#B5A9B7
#A192A3
#8C7A90
#78637C
#665469
#544557
#423644
#302832
#1E191F
#0C0A0C

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 180° apart

#78637C Complementary Palette

Two colors opposite on the wheel — maximum contrast for attention-grabbing accents.

#78637C
#687D64

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · adjacent hues

#78637C Analogic Palette

Neighboring hues on the wheel — harmonious, calm combinations that feel unified.

#78637C
#7D6474
#6C647D
#7D6468
#64687D
#7D6C64
#64747D

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 120° apart

#78637C Triadic Palette

Three colors evenly spaced on the wheel — vibrant and energetic, yet balanced.

#78637C
#7D7864
#647D78

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 90° apart

#78637C Quad Palette

Four colors evenly spaced on the wheel (tetradic) — rich schemes with multiple accents.

#78637C
#7D6C64
#687D64
#64747D

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Accessibility

Color Blindness Simulation for #78637C

How Opera reads across five kinds of color vision — a ✓ Friendly verdict means the color difference stays distinguishable for that vision type.

#78637C
#707275
#6F6F76
#777170
#696969
Normal vision full color Deuteranopia green weakness ✓ Friendly Protanopia red weakness ✓ Friendly Tritanopia blue-yellow weakness ✓ Friendly Achromatopsia total color blindness ✓ Friendly

The dot marks the original color. Hover any shade to copy its hex.

Harmony overview

Color Harmonies for #78637C

The lead color from each harmony scheme, side by side — a shortcut to the full palettes above.

#687D64
#7D6474
#7D7864
#7D6C64
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#78637C Nearby Colors

A step away in brightness, richness or shade — each still feels like the same color.

Muted Berry#887788
Fedora#665566
Femme Fatale#998899
Haunted Candelabra#554466
Nymph’s Delight#776688
Sakura Night#776677
Opera#886677
Heron#666688

From the color-name library

Colors Similar to #78637C

The closest named colors to #78637C — same mood, each with its own character.

Opera#816575
Sakura Night#7B6C7C
Plummy#675A75
Nymph’s Delight#7B6C8E
Sunshone Plum#886688
Rum#716675
Dr Who#78587D
Chimaera#74626D
Moonscape#806B77
Mamba#766D7C
Bureaucracy#746C8F
Muted Purple#805B87

Looking for more Purple shades? Browse Purple colors →

Inspiration

Explore Vibrant Images Featuring Opera (#78637c)

Curated Unsplash photos that carry the mood of Opera — hover any tile to download it or view the original.

Good to know

Frequently Asked Questions about #78637C

#78637C is a cool color from the Purple family. Its closest matched name is “Opera”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(120, 99, 124); in HSL, hsl(290, 11%, 44%).
In RGB, #78637C is rgb(120, 99, 124); in HSL it is hsl(290, 11%, 44%); and in CMYK — the model used for print — it is cmyk(3%, 20%, 0%, 51%).
#78637C has a contrast ratio of 3.87:1 against black and 5.42:1 against white. For readability, white body text meets the WCAG AA threshold of 4.5:1 on it, while black does not.
The direct complement of #78637C is #687D64 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #78637C in the palette sections above.