#66E1F7#66E1F7

#66E1F7 is a very light, moderate teal. Relative luminance 0.634; OKLCH L 84.8% C 0.113 H 211.1°. Best body text is #000000 at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#66E1F7
RGB	rgb(102, 225, 247)
HSL	hsl(189, 90%, 68%)
HSV	hsv(189, 59%, 97%)
CMYK	cmyk(58.7%, 8.9%, 0%, 3.1%)
CIE-LAB	lab(83.64, -28.08, -21.05)
CIE-LCH	lch(83.64, 35.09, 216.86°)
OKLab	oklab(84.81% -0.0969 -0.0583)
OKLCH	oklch(84.81% 0.113 211.1)
XYZ	xyz(49.1863, 63.3857, 97.6202)
Luminance	0.6339 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E1F7 #F77C66

analogous

#66F7C4 #66E1F7 #6698F7

triadic

#66E1F7 #F766E1 #E1F766

tetradic

#66E1F7 #C466F7 #F77C66 #98F766

square

#66E1F7 #C466F7 #F77C66 #98F766

split-complementary

#66E1F7 #F76698 #F7C466

monochromatic

#0BB8D7 #2CD6F4 #66E1F7 #A0ECFA #DAF8FD

Accessibility & contrast

On white

1.54

#66E1F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.68

#66E1F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E1F7

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E1F7	#FFFFFF	#000000	##000000
##66E1F7	1.00	1.54	13.68	13.68
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.68	21.00	1.00	1.00
##000000	13.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFDAF8

Deuteranopia (green-blind)

#B9CAF7

Tritanopia (blue-blind)

#00EBE8

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e1f7;
/* rgb */ color: rgb(102, 225, 247);
/* oklch */ color: oklch(84.8% 0.113 211.1);

Tailwind

colors: {
  custom: {
    50: '#9eeaf9',
    500: '#66e1f7',
    950: '#000000',
  },
}

SCSS

$custom: #66e1f7;
$custom-light: #9eeaf9;
$custom-dark: #000000;

JSON

{
  "hex": "#66e1f7",
  "rgb": {
    "r": 102,
    "g": 225,
    "b": 247
  },
  "hsl": {
    "h": 189.103,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.84808,
    "c": 0.11308,
    "h": 211.1
  },
  "luminance": 0.63391
}

Semantic roles & 50–950 ramp

primary

#66E1F7

secondary

#D04931

accent

#2300E6

background

#FCFEFF

surface

#F6FDFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #66E1F7

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

Preview Lab → · Contrast checker → · Palette generator →