#66EEF8#66EEF8

#66EEF8 is a very light, moderate teal. Relative luminance 0.708; OKLCH L 87.8% C 0.118 H 201.9°. Best body text is #000000 at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#66EEF8
RGB	rgb(102, 238, 248)
HSL	hsl(184, 91%, 69%)
HSV	hsv(184, 59%, 97%)
CMYK	cmyk(58.9%, 4%, 0%, 2.7%)
CIE-LAB	lab(87.36, -34.00, -15.97)
CIE-LCH	lch(87.36, 37.57, 205.16°)
OKLab	oklab(87.81% -0.1098 -0.0442)
OKLCH	oklch(87.81% 0.118 201.9)
XYZ	xyz(52.9901, 70.7457, 99.6514)
Luminance	0.7075 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEF8 #F87066

analogous

#66F8B9 #66EEF8 #66A5F8

triadic

#66EEF8 #F866EE #EEF866

tetradic

#66EEF8 #B966F8 #F87066 #A5F866

square

#66EEF8 #B966F8 #F87066 #A5F866

split-complementary

#66EEF8 #F866A5 #F8B966

monochromatic

#0ACBDA #2BE7F5 #66EEF8 #A1F5FB #DBFBFD

Accessibility & contrast

On white

1.39

#66EEF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.15

#66EEF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEF8

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEF8	#FFFFFF	#000000	##000000
##66EEF8	1.00	1.39	15.15	15.15
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.15	21.00	1.00	1.00
##000000	15.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEE5F9

Deuteranopia (green-blind)

#C7D4F9

Tritanopia (blue-blind)

#00F6F1

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66eef8;
/* rgb */ color: rgb(102, 238, 248);
/* oklch */ color: oklch(87.8% 0.118 201.9);

Tailwind

colors: {
  custom: {
    50: '#a0f4fa',
    500: '#66eef8',
    950: '#000000',
  },
}

SCSS

$custom: #66eef8;
$custom-light: #a0f4fa;
$custom-dark: #000000;

JSON

{
  "hex": "#66eef8",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 248
  },
  "hsl": {
    "h": 184.11,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.8781,
    "c": 0.11834,
    "h": 201.9
  },
  "luminance": 0.70751
}

Semantic roles & 50–950 ramp

primary

#66EEF8

secondary

#D23C31

accent

#1000E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66EEF8

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

Preview Lab → · Contrast checker → · Palette generator →