#66aa99

Breaker Bay

Closest match (94% match)

Color formats

RGB

rgb(102, 170, 153)

Red, Green, Blue components

HSL

hsl(165, 29%, 53%)

Hue, Saturation, Lightness

CMYK

cmyk(40, 0, 10, 33)

Print color encoding

Luminance

0.339

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#66aa99

#aa6677

Analogous (Adjacent)

#66aa77

#66aa99

#6699aa

Triadic

#66aa99

#9966aa

#aa9966

Split complementary

#66aa99

#aa6699

#aa7766

Complete conversion table

HEX

#66AA99

RGB

rgb(102,170,153)

RGBA

rgba(102,170,153, 1)

HSL

hsl(165,28.57%,53.33%)

OKLCH (Modern CSS)

oklch(0.69 0.07 176.2)

CSS Variable

--color: #66aa99;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

2.70

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

7.77

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#66aa99#a3a299

ORIG

SIM

Deuteranopia (green)

#66aa99#787599

ORIG

SIM

Tritanopia (blue)

#66aa99#697c8a

ORIG

SIM

Monochrome (color blind)

#66aa99#9d9d9d

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

55%

25%

20%

RYB PIGMENTS

Ultramarine blue

Pigment

55%

Cadmium yellow

Pigment

25%

Titanium white

Pigment

20%

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Green hue

495–570 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Cool

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

33.9%

Dark • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Water Park

#54AF9C

Emerald Oasis

#67A195

Jewel Weed

#46A795

Ambrosial Oceanside

#47AE9C

Coral Tree

#AA6677

Breaker Bay

#6699AA

Aqua Forest

#66AA77

Wisteria

#9966AA

Barley Corn

#AA9966

Tapestry

#AA6699

Water Leaf

#A0E6D4

Casal

#2D7162