#66E2F3#66E2F3

#66E2F3 is a very light, moderate teal. Relative luminance 0.637; OKLCH L 84.9% C 0.112 H 207.5°. Best body text is #000000 at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#66E2F3
RGB	rgb(102, 226, 243)
HSL	hsl(187, 85%, 68%)
HSV	hsv(187, 58%, 95%)
CMYK	cmyk(58%, 7%, 0%, 4.7%)
CIE-LAB	lab(83.80, -29.68, -18.70)
CIE-LCH	lch(83.80, 35.08, 212.22°)
OKLab	oklab(84.89% -0.0995 -0.0518)
OKLCH	oklch(84.89% 0.112 207.5)
XYZ	xyz(48.8468, 63.6837, 94.4946)
Luminance	0.6369 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E2F3 #F37766

analogous

#66F3BD #66E2F3 #669BF3

triadic

#66E2F3 #F366E2 #E2F366

tetradic

#66E2F3 #BD66F3 #F37766 #9BF366

square

#66E2F3 #BD66F3 #F37766 #9BF366

split-complementary

#66E2F3 #F3669B #F3BD66

monochromatic

#10B7CE #2DD7EF #66E2F3 #9FEDF7 #D7F8FC

Accessibility & contrast

On white

1.53

#66E2F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.74

#66E2F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E2F3

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E2F3	#FFFFFF	#000000	##000000
##66E2F3	1.00	1.53	13.74	13.74
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.74	21.00	1.00	1.00
##000000	13.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1DAF4

Deuteranopia (green-blind)

#BBCAF3

Tritanopia (blue-blind)

#00EBE7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e2f3;
/* rgb */ color: rgb(102, 226, 243);
/* oklch */ color: oklch(84.9% 0.112 207.5);

Tailwind

colors: {
  custom: {
    50: '#9eebf7',
    500: '#66e2f3',
    950: '#000000',
  },
}

SCSS

$custom: #66e2f3;
$custom-light: #9eebf7;
$custom-dark: #000000;

JSON

{
  "hex": "#66e2f3",
  "rgb": {
    "r": 102,
    "g": 226,
    "b": 243
  },
  "hsl": {
    "h": 187.234,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.84891,
    "c": 0.11213,
    "h": 207.5
  },
  "luminance": 0.63689
}

Semantic roles & 50–950 ramp

primary

#66E2F3

secondary

#CA4533

accent

#1E04E2

background

#FCFEFF

surface

#F6FDFE

border

#D0D5D6

text

#101617

muted

#808485

Preview Lab

Preview with #66E2F3

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

Preview Lab → · Contrast checker → · Palette generator →