Closest web-safe match: #99CCCC

Color Details and Palettes for #ADD6B4

Details about the color Limestoned#ADD6B4

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

Emerald family Cool WCAG ink: dark
HEX #ADD6B4 RGB rgb(173, 214, 180) HSL hsl(130, 33%, 76%) CMYK cmyk(19%, 0%, 16%, 16%)

Color profile

About Color Hex #ADD6B4

#ADD6B4 is a cool color from the Emerald family, closest in name to “Limestoned”. In RGB it is rgb(173, 214, 180); in HSL, hsl(130, 33%, 76%).

The color Limestoned, with hexadecimal code #add6b4, 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 Softness, Delicacy, Calmness, Relaxation and Friendliness. 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. With a moderate saturation of 33%, it has a softened, muted quality that lends sophistication and works well for backgrounds and secondary elements. At 76% 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 Softness, Delicacy, Calmness, Relaxation, or Friendliness. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 173, 214, 180 red · green · blue HSL 130° 33% 76% hue · sat · light HSV 130° 19% 84% design-app pickers CMYK 19 0 16 16 print inks, % Luminance 0.603 0 dark → 1 light On black 13.05:1 ✓ AA contrast ratio On white 1.61:1 ✕ AA contrast ratio Web-safe #99CCCC closest web-safe Best text black ideal foreground Character Pastel cool · emerald family

The story of this color

History, Usage, Psychology & Design Ideas for #ADD6B4

Limestoned (#ADD6B4) belongs to the Emerald 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

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 130°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. At 33% saturation, the color has a muted, sophisticated quality that pairs well with bolder accents. It works as a background, a border, or a secondary element in layered compositions.

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 76% 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

#ADD6B4 Color Conversions

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

12 formats
HEX Web
#ADD6B4

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(173, 214, 180)

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(130, 33%, 76%)

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(130, 19%, 84%)

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(130 68% 16%)

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(19%, 0%, 16%, 16%)

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(83.74% 0.064 149.85)

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

OKLab Modern
oklab(83.74% -0.055 0.032)

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: 81.99, a: -20.03, b: 12.41

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

LCH Perceptual
L: 81.99, C: 23.56, H: 148.22

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

XYZ CIE Science
X: 49.52, Y: 60.27, Z: 52.20

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
11392692

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 #ADD6B4

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

Red 173/255 30.5% Green 214/255 37.7% Blue 180/255 31.8%

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

Ink coverage

CMYK Ink Levels & Print Guide for #ADD6B4

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

19% CYAN 0% MAGENTA 16% YELLOW 16% 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 #ADD6B4

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

Relative luminance 0.603
0 · dark1 · light

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

Aa Black text 13.05:1 ✓ AA ✓ AAA ✓ Large
Aa White text 1.61:1 ✕ AA ✕ AAA ✕ Large

Developer shortcuts

Quick CSS Snippets for #ADD6B4

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

limestoned.css
background-color: #ADD6B4;
color: #ADD6B4;
border: 2px solid #ADD6B4;
background-color: rgb(173, 214, 180);
background-color: hsl(130, 33%, 76%);
--color: #ADD6B4;

Shades · light to dark

#ADD6B4 Monochrome Palette

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

#F7FBF8
#EBF5EC
#DEEFE1
#D2E8D6
#C6E2CB
#B9DCBF
#ADD6B4
#93B699
#79967E
#5F7663
#455648
#2B362D
#111512

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

Harmony · 180° apart

#ADD6B4 Complementary Palette

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

#ADD6B4
#D6AECF

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

Harmony · adjacent hues

#ADD6B4 Analogic Palette

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

#ADD6B4
#AED6C9
#BBD6AE
#AECFD6
#CFD6AE
#AEBBD6
#D6C9AE

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

Harmony · 120° apart

#ADD6B4 Triadic Palette

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

#ADD6B4
#B4AED6
#D6B4AE

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

Harmony · 90° apart

#ADD6B4 Quad Palette

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

#ADD6B4
#AEBBD6
#D6AECF
#D6C9AE

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

Accessibility

Color Blindness Simulation for #ADD6B4

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

#ADD6B4
#BCB9BE
#BFBFBC
#AFC3C4
#CBCBCB
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 #ADD6B4

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

#D6AECF
#AED6C9
#B4AED6
#AEBBD6
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#ADD6B4 Nearby Colors

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

Mint-o-licious#BBEECC
Irish Spring#99CCAA
Smell the Mint#CCFFDD
Neptune Green#88BB99
Jovial Jade#99DDAA
Isle of Dreams#BBCCBB
Glaucous Green#AADDBB
Fizz#BBDDAA

From the color-name library

Colors Similar to #ADD6B4

The closest named colors to #ADD6B4 — same mood, each with its own character.

Limestoned#A7CCA4
Frosted Fir#B4D5BD
Mother Nature#BDE1C4
Big Spender#ACDDAF
Sugar Mint#C0E2C5
Fizz#B1DBAA
Glaucous Green#B3E8C2
Garden Goddess#99CEA0
Mint-o-licious#B6E9C8
Celadon#ACE1AF
Ambrosia#C6E1BC
Nature#BFD5B3

Looking for more Green shades? Browse Green colors →

Inspiration

Explore Vibrant Images Featuring Limestoned (#add6b4)

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

Good to know

Frequently Asked Questions about #ADD6B4

#ADD6B4 is a cool color from the Emerald family. Its closest matched name is “Limestoned”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(173, 214, 180); in HSL, hsl(130, 33%, 76%).
In RGB, #ADD6B4 is rgb(173, 214, 180); in HSL it is hsl(130, 33%, 76%); and in CMYK — the model used for print — it is cmyk(19%, 0%, 16%, 16%).
#ADD6B4 has a contrast ratio of 13.05:1 against black and 1.61:1 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 #ADD6B4 is #D6AECF (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #ADD6B4 in the palette sections above.