Closest web-safe match: #33FF66

Color Details and Palettes for #1CFD7A

Details about the color Spring Green#1CFD7A

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

Emerald family Cool WCAG ink: dark
HEX #1CFD7A RGB rgb(28, 253, 122) HSL hsl(145, 98%, 55%) CMYK cmyk(89%, 0%, 52%, 1%)

Color profile

About Color Hex #1CFD7A

#1CFD7A is a cool color from the Emerald family, closest in name to “Spring Green”. In RGB it is rgb(28, 253, 122); in HSL, hsl(145, 98%, 55%).

The color Spring Green, with hexadecimal code #1cfd7a, 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 Refreshment, Clarity, Communication and Serenity. 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 high saturation of 98%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. With a mid-range lightness of 55%, 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 Refreshment, Clarity, Communication, or Serenity. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 28, 253, 122 red · green · blue HSL 145° 98% 55% hue · sat · light HSV 145° 89% 99% design-app pickers CMYK 89 0 52 1 print inks, % Luminance 0.719 0 dark → 1 light On black 15.38:1 ✓ AA contrast ratio On white 1.37:1 ✕ AA contrast ratio Web-safe #33FF66 closest web-safe Best text black ideal foreground Character Vivid cool · emerald family

The story of this color

History, Usage, Psychology & Design Ideas for #1CFD7A

Spring Green (#1CFD7A) belongs to the Emerald 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

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 145°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. At 98% saturation, this is a highly vivid color that demands attention. Use it where maximum visual impact is needed—feature banners, accent buttons, and data-visualization highlights.

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.

With a mid-range lightness of 55%, 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 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

#1CFD7A Color Conversions

Every way to write Spring 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
#1CFD7A

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(28, 253, 122)

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(145, 98%, 55%)

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(145, 89%, 99%)

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(145 11% 1%)

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(89%, 0%, 52%, 1%)

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(87.05% 0.235 150.02)

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

OKLab Modern
oklab(87.05% -0.204 0.117)

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: 87.92, a: -76.02, b: 48.70

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

LCH Perceptual
L: 87.92, C: 90.28, H: 147.35

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

XYZ CIE Science
X: 39.12, Y: 71.90, Z: 30.23

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
1899898

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 #1CFD7A

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

Red 28/255 7.0% Green 253/255 62.8% Blue 122/255 30.3%

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

Ink coverage

CMYK Ink Levels & Print Guide for #1CFD7A

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

89% CYAN 0% MAGENTA 52% YELLOW 1% 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 #1CFD7A

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

Relative luminance 0.719
0 · dark1 · light

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

Aa Black text 15.38:1 ✓ AA ✓ AAA ✓ Large
Aa White text 1.37:1 ✕ AA ✕ AAA ✕ Large

Developer shortcuts

Quick CSS Snippets for #1CFD7A

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

spring-green.css
background-color: #1CFD7A;
color: #1CFD7A;
border: 2px solid #1CFD7A;
background-color: rgb(28, 253, 122);
background-color: hsl(145, 98%, 55%);
--color: #1CFD7A;

Shades · light to dark

#1CFD7A Monochrome Palette

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

#E8FFF2
#C6FFDE
#A4FECA
#82FEB6
#60FEA2
#3EFD8E
#1CFD7A
#18D768
#14B155
#0F8B43
#0B6531
#073F1F
#03190C

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

Harmony · 180° apart

#1CFD7A Complementary Palette

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

#1CFD7A
#FD1C9F

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

Harmony · adjacent hues

#1CFD7A Analogic Palette

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

#1CFD7A
#1CFDEA
#2FFD1C
#1C9FFD
#9FFD1C
#1C2FFD
#FDEA1C

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

Harmony · 120° apart

#1CFD7A Triadic Palette

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

#1CFD7A
#7A1CFD
#FD7A1C

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

Harmony · 90° apart

#1CFD7A Quad Palette

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

#1CFD7A
#1C2FFD
#FD1C9F
#FDEA1C

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

Accessibility

Color Blindness Simulation for #1CFD7A

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

#1CFD7A
#7060A1
#7D7F9A
#27B3B8
#C4C4C4
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 #1CFD7A

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

#FD1C9F
#1CFDEA
#7A1CFD
#1C2FFD
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#1CFD7A Nearby Colors

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

Spring Green#44FF88
Radiant Hulk#00EE66
Illicit Green#55FF99
Green Priestess#00DD55
Spring Green#00FF77
Medium Spring Green#00FF99
Screamin’ Green#66FF66
Minty Paradise#00FFBB

From the color-name library

Colors Similar to #1CFD7A

The closest named colors to #1CFD7A — same mood, each with its own character.

Experimintal Green#4CFF7B
Emerald Ice Palace#2AF589
Flora#73FA79
Cathode Green#00FF55
Light Green#76FF7B
Screamin’ Green#66FF66
Radiant Hulk#10F144
Illicit Green#56FCA2
Grotesque Green#64E986
Poisonous Dart#77FF66
The Matrix#70F15E
Herbivore#88EE77

Looking for more Green shades? Browse Green colors →

Inspiration

Explore Vibrant Images Featuring Spring Green (#1cfd7a)

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

Good to know

Frequently Asked Questions about #1CFD7A

#1CFD7A is a cool color from the Emerald family. Its closest matched name is “Spring Green”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(28, 253, 122); in HSL, hsl(145, 98%, 55%).
In RGB, #1CFD7A is rgb(28, 253, 122); in HSL it is hsl(145, 98%, 55%); and in CMYK — the model used for print — it is cmyk(89%, 0%, 52%, 1%).
#1CFD7A has a contrast ratio of 15.38:1 against black and 1.37:1 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 #1CFD7A is #FD1C9F (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #1CFD7A in the palette sections above.