Green color · XKCD survey name

Electric Green Color Code: #21FC0D

Electric Green (#21FC0D) is a medium, vivid green shade: RGB 33, 252, 13, HSL 115°, 98%, 52%. Black text reads best on it (14.99:1 contrast).

Electric Green color values

HEX #21FC0D
RGB rgb(33, 252, 13)
HSL hsl(115, 98%, 52%)
HSV 115, 95%, 99%
HWB hwb(115 5% 1%)
CMYK 87%, 0%, 95%, 1%
Decimal 2227213
52%HSL lightness (medium)
98%HSL saturation (vivid)
115°Hue angle (green)
0.700Relative luminance

CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.

What is Electric Green?

“Electric Green” is a crowd-sourced name from the XKCD Color Survey, in which participants typed names for colors they were shown. It is a popular everyday label rather than an official standard.

Its hue angle of 115° places it in the green part of the color wheel, with 98% saturation (vivid) and 52% lightness (medium). It sits between warm and cool.

Compared with the other green colors in the Aqeeb Studio library, it is lighter than 63% of them and more saturated than 79% of them.

Its relative luminance is 0.700, which makes it a very light color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.

Electric Green counts as a light color: its HSL lightness is 52% and its relative luminance is 0.700. Black text reads best on it (14.99:1 contrast).

Text contrast on Electric Green

WCAG contrast of white and black text on Electric Green
TextPreviewRatioAA normalAA largeAAA normalAAA large
White text Sample text 1.40:1 Poor Fail Fail Fail Fail
Black text Sample text 14.99:1 Excellent Pass Pass Pass Pass

Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.

Colors that go with Electric Green

Complementary color

Complementary colors sit directly opposite each other on the color wheel (180° apart). They give the strongest hue contrast, which suits calls to action and accents.

Analogous colors

Analogous colors are neighbors on the wheel, 30° either side of the base hue. They blend smoothly and are easy to combine in backgrounds, gradients and illustrations.

Triadic colors

A triadic scheme uses three hues spaced 120° apart. It is lively yet balanced, and works best when one color leads and the other two act as accents.

Split-complementary colors

Split-complementary keeps the base color and uses the two colors on either side of its complement (150° and 210°). The contrast is strong but gentler than a direct complement.

Tetradic colors

A tetradic (rectangle) scheme combines two complementary pairs at 0°, 60°, 180° and 240°. It offers variety but needs one dominant color to stay balanced.

Monochromatic variants

Monochromatic variants keep the same hue and saturation and only change lightness, which makes them dependable for UI scales and subtle layered designs.

#0B7901#0B7901
#12BF02#12BF02
#21FC0D#21FC0D
#62FD54#62FD54
#A2FE9A#A2FE9A

A “≈” before a name means the exact harmony color has no named match, so the link goes to the closest named color.

Tints and shades of Electric Green

Lighter tints (mixed with white)

Darker shades (mixed with black)

Select any swatch to copy its HEX code. Build longer scales with the tints and shades tool.

Where to use Electric Green

  • Card, highlight and section backgrounds with dark text (14.99:1 contrast with black)
  • Accents that need to stand out: call-to-action buttons, charts and illustrations
  • Calm backgrounds and section fills
  • Success and confirmation states (with a label or icon)
  • Eco, health and finance-style branding
  • Charts, maps and nature illustrations

Use Electric Green in CSS

:root {
  --color-electric-green: #21FC0D;
}

.element {
  color: var(--color-electric-green);
  background-color: #21FC0D;
  border: 2px solid #21FC0D;
}

Questions about Electric Green

What is the HEX code for Electric Green?

Electric Green is #21FC0D.

What is the RGB value of Electric Green?

The RGB value of Electric Green is 33, 252, 13: 33 red, 252 green and 13 blue on a 0–255 scale, written rgb(33, 252, 13) in CSS.

What is the HSL value of Electric Green?

The HSL value of Electric Green is 115°, 98%, 52% (hue, saturation, lightness), written hsl(115, 98%, 52%) in CSS.

What is the CMYK value of Electric Green?

A standard conversion gives about C 87%, M 0%, Y 95%, K 1%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.

Is Electric Green a light or dark color?

Electric Green counts as a light color: its HSL lightness is 52% and its relative luminance is 0.700. Black text reads best on it (14.99:1 contrast).

How does Electric Green look with white text?

White text on Electric Green has a contrast ratio of 1.40:1, rated Poor. It falls below the WCAG minimum for text.

How does Electric Green look with black text?

Black text on Electric Green has a contrast ratio of 14.99:1, rated Excellent. It meets WCAG AA for normal text.

What colors go well with Electric Green?

Magenta is its complementary color, and Bright Yellow Green sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.

Where can Electric Green be used?

It suits card, highlight and section backgrounds with dark text (14.99:1 contrast with black); accents that need to stand out: call-to-action buttons, charts and illustrations; calm backgrounds and section fills.

How do I use Electric Green in CSS?

Use color: #21FC0D; for text, background-color: #21FC0D; for fills, or define a custom property such as --color-electric-green: #21FC0D; and reuse it with var(--color-electric-green).

About this color page

Crowd-sourced name from the XKCD Color Survey (CC0). Values are calculated from the HEX code; color names are labels, not trademarks or standards unless stated. Screens render colors differently, so always check important colors on your own device. See the disclaimer.