Closest web-safe match: #99CC99

Color Details and Palettes for #87B787

Details about the color Dark Sea Green#87B787

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

Emerald family Cool WCAG ink: dark
HEX #87B787 RGB rgb(135, 183, 135) HSL hsl(120, 25%, 62%) CMYK cmyk(26%, 0%, 26%, 28%)

Color profile

About Color Hex #87B787

#87B787 is a cool color from the Emerald family, closest in name to “Dark Sea Green”. In RGB it is rgb(135, 183, 135); in HSL, hsl(120, 25%, 62%).

The color Dark Sea Green, with hexadecimal code #87b787, 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. At just 25% saturation, this near-neutral shade carries only a subtle hint of its underlying hue, making it versatile for large surfaces and professional contexts. At 62% 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 135, 183, 135 red · green · blue HSL 120° 25% 62% hue · sat · light HSV 120° 26% 72% design-app pickers CMYK 26 0 26 28 print inks, % Luminance 0.408 0 dark → 1 light On black 9.15:1 ✓ AA contrast ratio On white 2.29:1 ✕ AA contrast ratio Web-safe #99CC99 closest web-safe Best text black ideal foreground Character Vivid cool · emerald family

The story of this color

History, Usage, Psychology & Design Ideas for #87B787

Dark Sea Green (#87B787) 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 120°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. At 25% 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 62% 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

#87B787 Color Conversions

Every way to write Dark Sea 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
#87B787

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(135, 183, 135)

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(120, 25%, 62%)

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(120, 26%, 72%)

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(120 53% 28%)

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(26%, 0%, 26%, 28%)

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(73.24% 0.085 144.64)

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

OKLab Modern
oklab(73.24% -0.070 0.049)

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: 70.01, a: -25.47, b: 19.41

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

LCH Perceptual
L: 70.01, C: 32.02, H: 142.69

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

XYZ CIE Science
X: 31.30, Y: 40.77, Z: 29.14

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
8894343

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 #87B787

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

Red 135/255 29.8% Green 183/255 40.4% Blue 135/255 29.8%

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

Ink coverage

CMYK Ink Levels & Print Guide for #87B787

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

26% CYAN 0% MAGENTA 26% YELLOW 28% 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 #87B787

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

Relative luminance 0.408
0 · dark1 · light

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

Aa Black text 9.15:1 ✓ AA ✓ AAA ✓ Large
Aa White text 2.29:1 ✕ AA ✕ AAA ✕ Large

Developer shortcuts

Quick CSS Snippets for #87B787

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

dark-sea-green.css
background-color: #87B787;
color: #87B787;
border: 2px solid #87B787;
background-color: rgb(135, 183, 135);
background-color: hsl(120, 25%, 62%);
--color: #87B787;

Shades · light to dark

#87B787 Monochrome Palette

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

#F3F8F3
#E1EDE1
#CFE2CF
#BDD7BD
#ABCDAB
#99C299
#87B787
#739C73
#5F805F
#4A654A
#364936
#222E22
#0E120E

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

Harmony · 180° apart

#87B787 Complementary Palette

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

#87B787
#B686B6

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

Harmony · adjacent hues

#87B787 Analogic Palette

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

#87B787
#86B69E
#9EB686
#86B6B6
#B6B686
#869EB6
#B69E86

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

Harmony · 120° apart

#87B787 Triadic Palette

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

#87B787
#8686B6
#B68686

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

Harmony · 90° apart

#87B787 Quad Palette

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

#87B787
#869EB6
#B686B6
#B69E86

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

Accessibility

Color Blindness Simulation for #87B787

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

#87B787
#999595
#9C9C93
#899C9E
#A9A9A9
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 #87B787

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

#B686B6
#86B69E
#8686B6
#869EB6
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#87B787 Nearby Colors

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

Garden Goddess#99CC99
Primavera#77AA77
Celadon#AADDAA
Leafy#669966
Bermudagrass#77BB77
Foliage#99BB88
Frog Pond#77BB88
Neptune Green#77BB99

From the color-name library

Colors Similar to #87B787

The closest named colors to #87B787 — same mood, each with its own character.

Verde#7FB383
Frog Pond#73B683
Foliage#95B388
Green Goddess#76AD83
Verdant Haven#84A97C
Sage#87AE73
Lush Fields#88AA77
Lily Pads#6DB083
Garden of Eden#7FA771
Primavera#6FA77A
Exhilarating Green#81C784
Soon to Be Hay#7BB369

Looking for more Green shades? Browse Green colors →

Inspiration

Explore Vibrant Images Featuring Dark Sea Green (#87b787)

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

Good to know

Frequently Asked Questions about #87B787

#87B787 is a cool color from the Emerald family. Its closest matched name is “Dark Sea Green”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(135, 183, 135); in HSL, hsl(120, 25%, 62%).
In RGB, #87B787 is rgb(135, 183, 135); in HSL it is hsl(120, 25%, 62%); and in CMYK — the model used for print — it is cmyk(26%, 0%, 26%, 28%).
#87B787 has a contrast ratio of 9.15:1 against black and 2.29:1 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 #87B787 is #B686B6 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #87B787 in the palette sections above.