Harlequin (#3FFF00)

HEX, RGB, HSL, CMYK values + mood/style/use-case color tags. Use this page to keep your colors consistent across web and print.

Preview

Sample Text
This is how text may look on this color.
Best text color: #000000
Contrast vs white: 1.35:1 — vs black: 15.52:1

Color values

  • HEX #3FFF00
  • RGB rgb(63, 255, 0)
  • HSL hsl(105, 100%, 100%)
  • CMYK cmyk( 75.29, 0, 100, 0 )
  • Websafe #33FF00

Tags

Tip: tags are heuristic suggestions (helpful for browsing and inspiration).

Color Harmonies

Colors that pair well with #3FFF00 based on color theory relationships.

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

Harlequin
#3FFF00 Base
#C000FF
Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

Harlequin
#3FFF00 Base
#BEFF00
#00FF41
Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

Harlequin
#3FFF00 Base
#003FFF
Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

Harlequin
#3FFF00 Base
#4100FF
#FF00BE
Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

Harlequin
#3FFF00 Base
#00BEFF
#C000FF
#FF4100
Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

Harlequin
#3FFF00 Base
#196600
#2CB300
#35D600
#5EFF29
#79FF4D
#B2FF99
Shades & Tints

Darker shades and lighter tints of Harlequin, generated by adjusting lightness while keeping the same hue and saturation.

Shades (darker)

#061A00
#124700
#1D7500
#28A300
#34D100
Harlequin #3FFF00 Base
#62FF2E
#84FF5C
#A7FF8A
#C9FFB8
#ECFFE6
CSS & SCSS Snippets

Ready-to-use code snippets for #3FFF00. Click the copy button to copy any snippet to your clipboard.

CSS Properties
/* Background */
.element {
    background-color: #3FFF00;
}

/* Text */
.element {
    color: #3FFF00;
}

/* Border */
.element {
    border: 1px solid #3FFF00;
}
CSS Gradient
/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #3FFF00,
        #FFFFFF
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #3FFF00,
        #FFFFFF
    );
}
SCSS Variable
// SCSS variable
$harlequin: #3FFF00;

// With RGB channels (useful for rgba() usage)
$harlequin-r: 63;
$harlequin-g: 255;
$harlequin-b: 0;

// Usage
.element {
    background-color: $harlequin;
    color: rgba($harlequin-r, $harlequin-g, $harlequin-b, 0.8);
}
Color Blindness Simulation

How Harlequin appears to people with different types of color vision deficiency.

Normal Vision #3FFF00 How the color appears with full color vision.
Deuteranopia #DDDD28 Deuteranopia affects ~8% of males. Green cones are absent, making it difficult to distinguish red from green. The most common form of color blindness.
Protanopia #F3F300 Protanopia affects ~1% of males. Red cones are absent, causing reds to appear dark and indistinguishable from greens and browns.
Tritanopia #77F0F0 Tritanopia is rare (~0.003%). Blue cones are absent, making blue and yellow difficult to distinguish. Blues may appear green, yellows appear pink.
Achromatopsia #DDDDDD Achromatopsia is complete color blindness. The world is seen entirely in shades of grey. Affects ~1 in 30,000 people.
Similar Named Colors

The closest named colors to Harlequin ranked by perceptual difference (Delta-E 2000 — lower = more similar).

Harlequin #3FFF00 Base
Neon Green #39FF14 ΔE 0.51
Green #00FF00 ΔE 1.22
Bright Green #66FF00 ΔE 2.02
Lawn Green #7CFC00 ΔE 3.75

How to use this color

  1. Copy HEX for CSS and design tools, or RGB/HSL for UI adjustments.
  2. Use CMYK when preparing print assets (posters, packaging, brochures).
  3. Check contrast before using it for text or important UI elements.