#66E7F8#66E7F8

#66E7F8 is a very light, moderate teal. Relative luminance 0.668; OKLCH L 86.2% C 0.115 H 207.1°. Best body text is #000000 at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#66E7F8
RGB	rgb(102, 231, 248)
HSL	hsl(187, 91%, 69%)
HSV	hsv(187, 59%, 97%)
CMYK	cmyk(58.9%, 6.9%, 0%, 2.7%)
CIE-LAB	lab(85.38, -30.69, -18.96)
CIE-LCH	lch(85.38, 36.07, 211.70°)
OKLab	oklab(86.21% -0.1026 -0.0525)
OKLCH	oklch(86.21% 0.115 207.1)
XYZ	xyz(50.9917, 66.7487, 98.9852)
Luminance	0.6675 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E7F8 #F87766

analogous

#66F8C0 #66E7F8 #669EF8

triadic

#66E7F8 #F866E7 #E7F866

tetradic

#66E7F8 #C066F8 #F87766 #9EF866

square

#66E7F8 #C066F8 #F87766 #9EF866

split-complementary

#66E7F8 #F8669E #F8C066

monochromatic

#0AC1DA #2BDEF5 #66E7F8 #A1F0FB #DBF9FD

Accessibility & contrast

On white

1.46

#66E7F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.35

#66E7F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E7F8

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E7F8	#FFFFFF	#000000	##000000
##66E7F8	1.00	1.46	14.35	14.35
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.35	21.00	1.00	1.00
##000000	14.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6DFF9

Deuteranopia (green-blind)

#BFCEF8

Tritanopia (blue-blind)

#00F0EC

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e7f8;
/* rgb */ color: rgb(102, 231, 248);
/* oklch */ color: oklch(86.2% 0.115 207.1);

Tailwind

colors: {
  custom: {
    50: '#9feffa',
    500: '#66e7f8',
    950: '#000000',
  },
}

SCSS

$custom: #66e7f8;
$custom-light: #9feffa;
$custom-dark: #000000;

JSON

{
  "hex": "#66e7f8",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 248
  },
  "hsl": {
    "h": 186.986,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.86211,
    "c": 0.11529,
    "h": 207.1
  },
  "luminance": 0.66754
}

Semantic roles & 50–950 ramp

primary

#66E7F8

secondary

#D24331

accent

#1B00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E7F8

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

Preview Lab → · Contrast checker → · Palette generator →