Green

Opal

#A8C3BC
HEX
#A8C3BC
RGB
rgb(168, 195, 188)
HSL
hsl(164, 18%, 71%)

Green family

About Opal

Opal (#A8C3BC) is a light, muted 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, #A8C3BC has a 1.9:1 contrast ratio; against black it is 11.2:1. Black text on #A8C3BC 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 Opal'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 Opal. Each swatch is one click from your clipboard.

Complementary

#a8c2bb#c2a8af

Analogous

#a8c2ae#a8c2bb#a8bcc2

Triadic

#a8c2bb#bba8c2#c2bba8

Split-complementary

#a8c2bb#c2a8bc#c2aea8

Tetradic

#a8c2bb#aea8c2#c2a8af#bcc2a8

Monochromatic

#1f2d29#436058#69968a#9fbcb4#d2e0dc

Accessibility

Blindness simulator

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

#A8C3BC

Normal vision

Standard trichromatic vision, shown for reference.

#c1bfbc

Protanopia

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

#bbbcbd

Deuteranopia

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

#a2c4c1

Tritanopia

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

#bdbdbd

Achromatopsia

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

WCAG

Contrast checker

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

AaWhite on Opal
1.88:1
AAAAAAA LargeAAA Large
AaBlack on Opal
11.20:1
AAAAAAA LargeAAA Large

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

Open the full checker

Ready to use

Color palettes

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

Complementary

Roughly 180° across the wheel from #A8C3BC (hue 164°) sits #c2a8af, held together by the #f4f6f5 tint and the neutrals #f4f4f5 and #18181b.

Analogous

#A8C3BC with its two closest neighbours, #a8c2ae and #a8bcc2, for a 18%-saturation run that stays inside one family; #f4f6f5 and #608a7f add depth without breaking it.

Triadic

#A8C3BC plus #bba8c2 and #c2bba8, a triangle that sits 120° apart at every corner, with #f4f4f5 and #18181b doing the quiet work underneath.

Monochromatic

One hue at 5 lightness steps: #f3f7f6 through #0d1211, starting from #A8C3BC at 71% lightness.

Opal (#A8C3BC) 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

Opal is #A8C3BC — rgb(168, 195, 188) / hsl(164, 18%, 71%). Opal (#A8C3BC) is a light, muted 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.

Good to know

  • Opal is one of 609 named colors in the library.
  • Its complementary hue sits 180° away on the color wheel: #c2a8af.

More color tools

Next steps for Opal: each of these picks the value up where this page leaves off, so nothing gets retyped or re-uploaded.