#66EDF9#66EDF9

#66EDF9 is a very light, moderate teal. Relative luminance 0.702; OKLCH L 87.6% C 0.118 H 203.3°. Best body text is #000000 at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#66EDF9
RGB	rgb(102, 237, 249)
HSL	hsl(185, 92%, 69%)
HSV	hsv(185, 59%, 98%)
CMYK	cmyk(59%, 4.8%, 0%, 2.4%)
CIE-LAB	lab(87.11, -33.26, -16.88)
CIE-LCH	lch(87.11, 37.30, 206.90°)
OKLab	oklab(87.62% -0.1084 -0.0467)
OKLCH	oklch(87.62% 0.118 203.3)
XYZ	xyz(52.8554, 70.2273, 100.3739)
Luminance	0.7023 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDF9 #F97266

analogous

#66F9BC #66EDF9 #66A4F9

triadic

#66EDF9 #F966ED #EDF966

tetradic

#66EDF9 #BC66F9 #F97266 #A4F966

square

#66EDF9 #BC66F9 #F97266 #A4F966

split-complementary

#66EDF9 #F966A4 #F9BC66

monochromatic

#09CBDC #2BE6F7 #66EDF9 #A1F4FB #DCFBFE

Accessibility & contrast

On white

1.40

#66EDF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.05

#66EDF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDF9

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDF9	#FFFFFF	#000000	##000000
##66EDF9	1.00	1.40	15.05	15.05
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.05	21.00	1.00	1.00
##000000	15.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCE4FA

Deuteranopia (green-blind)

#C6D3FA

Tritanopia (blue-blind)

#00F6F0

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66edf9;
/* rgb */ color: rgb(102, 237, 249);
/* oklch */ color: oklch(87.6% 0.118 203.3);

Tailwind

colors: {
  custom: {
    50: '#a0f3fb',
    500: '#66edf9',
    950: '#000000',
  },
}

SCSS

$custom: #66edf9;
$custom-light: #a0f3fb;
$custom-dark: #000000;

JSON

{
  "hex": "#66edf9",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 249
  },
  "hsl": {
    "h": 184.898,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87616,
    "c": 0.118,
    "h": 203.3
  },
  "luminance": 0.70233
}

Semantic roles & 50–950 ramp

primary

#66EDF9

secondary

#D33E30

accent

#1300E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66EDF9

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

Preview Lab → · Contrast checker → · Palette generator →