Closest web-safe match: #66CC66

Color Details and Palettes for #63CF69

Details about the color Pastel Green#63CF69

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

Emerald family Cool WCAG ink: dark
HEX #63CF69 RGB rgb(99, 207, 105) HSL hsl(123, 53%, 60%) CMYK cmyk(52%, 0%, 49%, 19%)

Color profile

About Color Hex #63CF69

#63CF69 is a cool color from the Emerald family, closest in name to “Pastel Green”. In RGB it is rgb(99, 207, 105); in HSL, hsl(123, 53%, 60%).

The color Pastel Green, with hexadecimal code #63cf69, resides within the green color family, the hue most connected to nature, growth, and renewal. Green soothes the eye more than any other color, making it ideal for wellness, sustainability, and financial brands. Additionally, it evokes emotions such as Nature, Healing, Balance, Stability and Calmness. Green is often linked to nature and growth universally, and in some cultures, it symbolizes fertility, renewal, and even immortality. In Islam, green holds significant religious meaning. At 53% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. At 60% lightness, it strikes an approachable, open balance—bright enough to feel welcoming yet substantial enough to carry visual weight. This color is ideal for designs that aim to express Nature, Healing, Balance, Stability, or Calmness. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 99, 207, 105 red · green · blue HSL 123° 53% 60% hue · sat · light HSV 123° 52% 81% design-app pickers CMYK 52 0 49 19 print inks, % Luminance 0.483 0 dark → 1 light On black 10.66:1 ✓ AA contrast ratio On white 1.97:1 ✕ AA contrast ratio Web-safe #66CC66 closest web-safe Best text black ideal foreground Character Vivid cool · emerald family

The story of this color

History, Usage, Psychology & Design Ideas for #63CF69

Pastel Green (#63CF69) belongs to the Emerald color family.

With moderate saturation and balanced lightness, this muted tone feels sophisticated and understated. Muted hues like this excel in editorial design, professional portfolios, and interior spaces that seek calm refinement.

Historical Background

Emerald green takes its name from the precious gemstone revered since at least 330 BC, when Cleopatra's emerald mines supplied the ancient world. Pantone named Emerald its Color of the Year for 2013, citing its associations with sophistication and renewal. Art Nouveau designers like Alphonse Mucha used emerald tones extensively, pairing them with gold to create their signature opulent aesthetic.

Design & Usage Tips

Emerald green conveys upscale elegance and is ideal for luxury brands, jewelry companies, and high-end hospitality. It pairs naturally with gold, brass, and cream for a rich, timeless palette. In web design, emerald buttons on a white background combine trust (green) with premium appeal.

Sitting on the cool side of the spectrum (hue 123°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. With 53% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Emerald feels aspirational and abundant—it suggests growth coupled with achievement. Unlike casual greens, emerald carries an air of refinement that makes it suitable for formal invitations, gala events, and exclusive product lines.

At 60% lightness, it reads clearly on dark backgrounds and provides a welcoming, open feel in light-themed designs—versatile across both contexts.

Creative Design Ideas

Use emerald as a dark background for product photography, allowing gold or white products to shine. Combine emerald tiles with marble textures for luxury real-estate branding. In fashion e-commerce, emerald category headers signal the premium collection.

Every format

#63CF69 Color Conversions

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

12 formats
HEX Web
#63CF69

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(99, 207, 105)

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(123, 53%, 60%)

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(123, 52%, 81%)

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(123 39% 19%)

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(52%, 0%, 49%, 19%)

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(76.70% 0.172 144.71)

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

OKLab Modern
oklab(76.70% -0.141 0.100)

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: 75.01, a: -51.83, b: 41.17

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

LCH Perceptual
L: 75.01, C: 66.19, H: 141.54

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

XYZ CIE Science
X: 30.01, Y: 48.30, Z: 21.11

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
6541161

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 #63CF69

How much red, green and blue light mixes into Pastel Green.

Red 99/255 24.1% Green 207/255 50.4% Blue 105/255 25.6%

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

Ink coverage

CMYK Ink Levels & Print Guide for #63CF69

Ink needed to reproduce Pastel Green in four-color print. Heaviest ink: Cyan.

52% CYAN 0% MAGENTA 49% YELLOW 19% 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 #63CF69

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

Relative luminance 0.483
0 · dark1 · light

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

Aa Black text 10.66:1 ✓ AA ✓ AAA ✓ Large
Aa White text 1.97:1 ✕ AA ✕ AAA ✕ Large

Developer shortcuts

Quick CSS Snippets for #63CF69

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

pastel-green.css
background-color: #63CF69;
color: #63CF69;
border: 2px solid #63CF69;
background-color: rgb(99, 207, 105);
background-color: hsl(123, 53%, 60%);
--color: #63CF69;

Shades · light to dark

#63CF69 Monochrome Palette

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

#EFFAF0
#D8F3DA
#C1ECC3
#A9E5AD
#92DD96
#7AD680
#63CF69
#54B059
#45914A
#36723A
#28532A
#19341A
#0A150B

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

Harmony · 180° apart

#63CF69 Complementary Palette

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

#63CF69
#CF63CA

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

Harmony · adjacent hues

#63CF69 Analogic Palette

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

#63CF69
#63CF9E
#94CF63
#63CACF
#CACF63
#6394CF
#CF9E63

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

Harmony · 120° apart

#63CF69 Triadic Palette

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

#63CF69
#6863CF
#CF6863

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

Harmony · 90° apart

#63CF69 Quad Palette

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

#63CF69
#6394CF
#CF63CA
#CF9E63

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

Accessibility

Color Blindness Simulation for #63CF69

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

#63CF69
#8C8388
#929382
#689599
#B1B1B1
Normal vision full color Deuteranopia green weakness ✕ Not friendly Protanopia red weakness ✕ Not friendly Tritanopia blue-yellow weakness ✕ Not friendly Achromatopsia total color blindness ✕ Not friendly

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

Harmony overview

Color Harmonies for #63CF69

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

#CF63CA
#63CF9E
#6863CF
#6394CF
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#63CF69 Nearby Colors

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

Pastel Green#77DD77
Mantis#55BB55
Light Green#88EE88
Matt Green#44AA44
Battletoad#55CC66
Electric Lettuce#77CC77
Seaweed#33CC77
Fairy Tale Green#88CC55

From the color-name library

Colors Similar to #63CF69

The closest named colors to #63CF69 — same mood, each with its own character.

Pastel Green#77DD77
Mantis#74C365
Electric Lettuce#7BD181
Koopa Green Shell#58D854
Emerald Rain#80C872
Hello Spring#44DD66
Bermudagrass#6BC271
Fluorescence#89D178
Battletoad#11CC55
Alienated#00CC55
Limonana#11DD66
Walled Garden#11CC44

Looking for more Green shades? Browse Green colors →

Inspiration

Explore Vibrant Images Featuring Pastel Green (#63cf69)

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

Good to know

Frequently Asked Questions about #63CF69

#63CF69 is a cool color from the Emerald family. Its closest matched name is “Pastel Green”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(99, 207, 105); in HSL, hsl(123, 53%, 60%).
In RGB, #63CF69 is rgb(99, 207, 105); in HSL it is hsl(123, 53%, 60%); and in CMYK — the model used for print — it is cmyk(52%, 0%, 49%, 19%).
#63CF69 has a contrast ratio of 10.66:1 against black and 1.97:1 against white. For readability, black body text meets the WCAG AA threshold of 4.5:1 on it, while white does not.
The direct complement of #63CF69 is #CF63CA (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #63CF69 in the palette sections above.