#66EBF9#66EBF9

#66EBF9 is a very light, moderate teal. Relative luminance 0.691; OKLCH L 87.2% C 0.117 H 204.8°. Best body text is #000000 at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#66EBF9
RGB	rgb(102, 235, 249)
HSL	hsl(186, 92%, 69%)
HSV	hsv(186, 59%, 98%)
CMYK	cmyk(59%, 5.6%, 0%, 2.4%)
CIE-LAB	lab(86.54, -32.32, -17.73)
CIE-LCH	lch(86.54, 36.86, 208.75°)
OKLab	oklab(87.16% -0.1063 -0.0491)
OKLCH	oklch(87.16% 0.117 204.8)
XYZ	xyz(52.2795, 69.0756, 100.1819)
Luminance	0.6908 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EBF9 #F97466

analogous

#66F9BE #66EBF9 #66A2F9

triadic

#66EBF9 #F966EB #EBF966

tetradic

#66EBF9 #BE66F9 #F97466 #A2F966

square

#66EBF9 #BE66F9 #F97466 #A2F966

split-complementary

#66EBF9 #F966A2 #F9BE66

monochromatic

#09C8DC #2BE3F7 #66EBF9 #A1F3FB #DCFAFE

Accessibility & contrast

On white

1.42

#66EBF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.82

#66EBF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EBF9

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EBF9	#FFFFFF	#000000	##000000
##66EBF9	1.00	1.42	14.82	14.82
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.82	21.00	1.00	1.00
##000000	14.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAE2FA

Deuteranopia (green-blind)

#C3D1FA

Tritanopia (blue-blind)

#00F4EF

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66ebf9;
/* rgb */ color: rgb(102, 235, 249);
/* oklch */ color: oklch(87.2% 0.117 204.8);

Tailwind

colors: {
  custom: {
    50: '#9ff1fb',
    500: '#66ebf9',
    950: '#000000',
  },
}

SCSS

$custom: #66ebf9;
$custom-light: #9ff1fb;
$custom-dark: #000000;

JSON

{
  "hex": "#66ebf9",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 249
  },
  "hsl": {
    "h": 185.714,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.8716,
    "c": 0.11711,
    "h": 204.8
  },
  "luminance": 0.69081
}

Semantic roles & 50–950 ramp

primary

#66EBF9

secondary

#D34030

accent

#1600E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66EBF9

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

Preview Lab → · Contrast checker → · Palette generator →