#66ECF7#66ECF7

#66ECF7 is a very light, moderate teal. Relative luminance 0.695; OKLCH L 87.3% C 0.117 H 202.7°. Best body text is #000000 at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#66ECF7
RGB	rgb(102, 236, 247)
HSL	hsl(185, 90%, 68%)
HSV	hsv(185, 59%, 97%)
CMYK	cmyk(58.7%, 4.5%, 0%, 3.1%)
CIE-LAB	lab(86.76, -33.34, -16.34)
CIE-LCH	lch(86.76, 37.13, 206.12°)
OKLab	oklab(87.32% -0.1081 -0.0452)
OKLCH	oklch(87.32% 0.117 202.7)
XYZ	xyz(52.2564, 69.5257, 98.6435)
Luminance	0.6953 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECF7 #F77166

analogous

#66F7B9 #66ECF7 #66A3F7

triadic

#66ECF7 #F766EC #ECF766

tetradic

#66ECF7 #B966F7 #F77166 #A3F766

square

#66ECF7 #B966F7 #F77166 #A3F766

split-complementary

#66ECF7 #F766A3 #F7B966

monochromatic

#0BC8D7 #2CE5F4 #66ECF7 #A0F3FA #DAFAFD

Accessibility & contrast

On white

1.41

#66ECF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.91

#66ECF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECF7

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECF7	#FFFFFF	#000000	##000000
##66ECF7	1.00	1.41	14.91	14.91
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.91	21.00	1.00	1.00
##000000	14.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCE3F8

Deuteranopia (green-blind)

#C5D2F8

Tritanopia (blue-blind)

#00F4EF

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66ecf7;
/* rgb */ color: rgb(102, 236, 247);
/* oklch */ color: oklch(87.3% 0.117 202.7);

Tailwind

colors: {
  custom: {
    50: '#9ff2f9',
    500: '#66ecf7',
    950: '#000000',
  },
}

SCSS

$custom: #66ecf7;
$custom-light: #9ff2f9;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecf7",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 247
  },
  "hsl": {
    "h": 184.552,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.87318,
    "c": 0.11723,
    "h": 202.7
  },
  "luminance": 0.69531
}

Semantic roles & 50–950 ramp

primary

#66ECF7

secondary

#D03D31

accent

#1100E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66ECF7

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

Preview Lab → · Contrast checker → · Palette generator →