#66EEFC#66EEFC

#66EEFC is a very light, moderate teal. Relative luminance 0.710; OKLCH L 87.9% C 0.119 H 204.6°. Best body text is #000000 at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#66EEFC
RGB	rgb(102, 238, 252)
HSL	hsl(186, 96%, 69%)
HSV	hsv(186, 60%, 99%)
CMYK	cmyk(59.5%, 5.6%, 0%, 1.2%)
CIE-LAB	lab(87.48, -32.91, -17.88)
CIE-LCH	lch(87.48, 37.46, 208.52°)
OKLab	oklab(87.95% -0.1082 -0.0495)
OKLCH	oklch(87.95% 0.119 204.6)
XYZ	xyz(53.6173, 70.9966, 102.9546)
Luminance	0.7100 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEFC #FC7466

analogous

#66FCBF #66EEFC #66A3FC

triadic

#66EEFC #FC66EE #EEFC66

tetradic

#66EEFC #BF66FC #FC7466 #A3FC66

square

#66EEFC #BF66FC #FC7466 #A3FC66

split-complementary

#66EEFC #FC66A3 #FCBF66

monochromatic

#04CEE3 #2AE7FB #66EEFC #A2F5FD #DEFBFE

Accessibility & contrast

On white

1.38

#66EEFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.20

#66EEFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEFC

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEFC	#FFFFFF	#000000	##000000
##66EEFC	1.00	1.38	15.20	15.20
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.20	21.00	1.00	1.00
##000000	15.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE5FD

Deuteranopia (green-blind)

#C6D4FD

Tritanopia (blue-blind)

#00F7F2

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66eefc;
/* rgb */ color: rgb(102, 238, 252);
/* oklch */ color: oklch(87.9% 0.119 204.6);

Tailwind

colors: {
  custom: {
    50: '#a0f4fd',
    500: '#66eefc',
    950: '#000000',
  },
}

SCSS

$custom: #66eefc;
$custom-light: #a0f4fd;
$custom-dark: #000000;

JSON

{
  "hex": "#66eefc",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 252
  },
  "hsl": {
    "h": 185.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.87949,
    "c": 0.11898,
    "h": 204.6
  },
  "luminance": 0.71002
}

Semantic roles & 50–950 ramp

primary

#66EEFC

secondary

#D63F30

accent

#1500E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66EEFC

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

Preview Lab → · Contrast checker → · Palette generator →