#66ffec

Aquamarine

Closest match (93% match)

Color formats

RGB

rgb(102, 255, 236)

Red, Green, Blue components

HSL

hsl(173, 100%, 70%)

Hue, Saturation, Lightness

CMYK

cmyk(60, 0, 7, 0)

Print color encoding

Luminance

0.804

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#66ffec

#ff6679

Analogous (Adjacent)

#66ffa0

#66ffec

#66c5ff

Triadic

#66ffec

#ec66ff

#ffec66

Split complementary

#66ffec

#ff66c5

#ff9f66

Complete conversion table

HEX

#66FFEC

RGB

rgb(102,255,236)

RGBA

rgba(102,255,236, 1)

HSL

hsl(172.55,100%,70%)

OKLCH (Modern CSS)

oklch(0.91 0.13 183.9)

CSS Variable

--color: #66ffec;

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

1.23

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

17.08

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#66ffec#f7f6ec

ORIG

SIM

Deuteranopia (green)

#66ffec#978eec

ORIG

SIM

Tritanopia (blue)

#66ffec#6ea4b7

ORIG

SIM

Monochrome (color blind)

#66ffec#e8e8e8

Mixing guide

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

MIXING PALETTE

43%

40%

17%

RYB PIGMENTS

Ultramarine blue

Pigment

43%

Titanium white

Pigment

40%

Cadmium yellow

Pigment

17%

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

Cyan hue

485–500 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)

80.4%

Light • 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.

Ice Temple

#11FFEE

Master Sword Blue

#00FFEE

Vibrant Mint

#00FFE5

Turquoise Pearl

#89F5E3

Wild Watermelon

#FF6679

Malibu

#66C5FF

Screamin' Green

#66FFA0

Heliotrope

#EC66FF

Paris Daisy

#FFEC66

Hot Pink

#FF66C5

Anakiwa

#ABFFFF

Caribbean Green

#00C1B0