#66EAF4#66EAF4

#66EAF4 is a very light, moderate teal. Relative luminance 0.682; OKLCH L 86.8% C 0.116 H 202.1°. Best body text is #000000 at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#66EAF4
RGB	rgb(102, 234, 244)
HSL	hsl(184, 87%, 68%)
HSV	hsv(184, 58%, 96%)
CMYK	cmyk(58.2%, 4.1%, 0%, 4.3%)
CIE-LAB	lab(86.10, -33.21, -15.76)
CIE-LCH	lch(86.10, 36.76, 205.38°)
OKLab	oklab(86.76% -0.1073 -0.0436)
OKLCH	oklch(86.76% 0.116 202.1)
XYZ	xyz(51.2246, 68.1968, 96.0342)
Luminance	0.6820 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EAF4 #F47066

analogous

#66F4B7 #66EAF4 #66A3F4

triadic

#66EAF4 #F466EA #EAF466

tetradic

#66EAF4 #B766F4 #F47066 #A3F466

square

#66EAF4 #B766F4 #F47066 #A3F466

split-complementary

#66EAF4 #F466A3 #F4B766

monochromatic

#0FC3D1 #2DE2F0 #66EAF4 #9FF2F8 #D8FAFC

Accessibility & contrast

On white

1.43

#66EAF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.64

#66EAF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EAF4

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EAF4	#FFFFFF	#000000	##000000
##66EAF4	1.00	1.43	14.64	14.64
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.64	21.00	1.00	1.00
##000000	14.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAE1F5

Deuteranopia (green-blind)

#C4D0F5

Tritanopia (blue-blind)

#00F2ED

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66eaf4;
/* rgb */ color: rgb(102, 234, 244);
/* oklch */ color: oklch(86.8% 0.116 202.1);

Tailwind

colors: {
  custom: {
    50: '#9ff1f7',
    500: '#66eaf4',
    950: '#000000',
  },
}

SCSS

$custom: #66eaf4;
$custom-light: #9ff1f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66eaf4",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 244
  },
  "hsl": {
    "h": 184.225,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86757,
    "c": 0.11582,
    "h": 202.1
  },
  "luminance": 0.68202
}

Semantic roles & 50–950 ramp

primary

#66EAF4

secondary

#CC3D32

accent

#1202E3

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101617

muted

#818585

Preview Lab

Preview with #66EAF4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →