Green

KellyGreen

#4CBB17
HEX
#4CBB17
RGB
rgb(76, 187, 23)
HSL
hsl(101, 78%, 41%)

Green family

About KellyGreen

KellyGreen (#4CBB17) is a dark, vivid green. Green sits at the center of the spectrum and is the color most associated with nature, growth and balance, giving this shade a calm, refreshing character.

Psychology

Green is restful and reassuring. It is strongly tied to health, growth and money, and because the eye processes green easily it can reduce visual fatigue and promote a sense of balance.

Applications

Green is everywhere in health, wellness, finance, environmental and organic brands. It works for success states and confirmations in UI, and its many shades range from fresh spring accents to deep, premium forest tones.

History

Greens were historically difficult to produce; early pigments like verdigris and malachite were unstable or toxic. A breakthrough came with Scheele’s green and later chrome green in the 18th and 19th centuries, which popularized the color despite some toxicity concerns.

Meaning

Green symbolizes nature, renewal, safety and prosperity across most cultures. It also means “go” in signaling and is the color of many environmental and religious movements.

Why use this color

Choose green for brands that want to feel natural, healthy, trustworthy or financially sound. It is a versatile hue that works equally well as a calm background or a vibrant accent.

Accessibility

Against white, #4CBB17 has a 2.5:1 contrast ratio; against black it is 8.4:1. Black text on #4CBB17 meets WCAG AA for normal text.

Fun facts

  • The human eye distinguishes more shades of green than any other color.
  • Green is used for night-vision displays because the eye is most sensitive to green light.
  • Many early green pigments were toxic, including Scheele’s green, which contained arsenic.

Shades, tints & tones

Variations

Ten lightness steps plus KellyGreen's tints, shades and tones — every swatch copies its hex on click.

Lightness scale

Tints (toward white)

Shades (toward black)

Tones (toward gray)

Color theory

Color harmonies

Proven schemes built around KellyGreen. Each swatch is one click from your clipboard.

Complementary

#4bba17#8617ba

Analogous

#9cba17#4bba17#17ba35

Triadic

#4bba17#174bba#ba174b

Split-complementary

#4bba17#3517ba#ba179c

Tetradic

#4bba17#179cba#8617ba#ba3517

Monochromatic

#1b4408#3a9112#5be31c#96ed6e#cef7bb

Accessibility

Blindness simulator

See how KellyGreen is perceived with common types of color vision deficiency.

#4CBB17

Normal vision

Standard trichromatic vision, shown for reference.

#c1aa00

Protanopia

Red-blind. Reds look darker and can be confused with greens and browns.

#b3a12f

Deuteranopia

Green-blind. Greens look muted and can be confused with reds and browns.

#40b49f

Tritanopia

Blue-blind. Blues look greenish and yellows fade toward pink.

#a4a4a4

Achromatopsia

Complete color blindness. Everything is seen in shades of gray.

WCAG

Contrast checker

How KellyGreen performs against black and white text, with WCAG AA and AAA ratings.

AaWhite on KellyGreen
2.49:1
AAAAAAA LargeAAA Large
AaBlack on KellyGreen
8.43:1
AAAAAAA LargeAAA Large

The ratio is identical whether KellyGreen is used as the text or the background.

Open the full checker

Ready to use

Color palettes

Curated palettes that put KellyGreen to work, with copy-all support for each.

Complementary

The base color paired with its opposite on the wheel for maximum contrast, plus two neutrals and a soft tint.

Analogous

Neighboring hues on the color wheel create a calm, cohesive scheme with a light tint and a deep shade.

Triadic

Three hues spaced evenly around the wheel for a bold, balanced palette anchored by two neutrals.

Monochromatic

A single hue stepped from light to dark for a clean, elegant and foolproof palette.

KellyGreen (#4CBB17) is a green-family color. Use its values, variations, harmonies and palettes above to put it to work in your next design.

Frequently asked questions

KellyGreen is #4CBB17 — rgb(76, 187, 23) / hsl(101, 78%, 41%). KellyGreen (#4CBB17) is a dark, vivid green. Green sits at the center of the spectrum and is the color most associated with nature, growth and balance, giving this shade a calm, refreshing character.

Must-know facts

  • KellyGreen is one of 355 named colors in the library.
  • Its complementary hue sits 180° away on the color wheel: #8617ba.

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