#66E2FE#66E2FE

#66E2FE is a very light, moderate cyan. Relative luminance 0.644; OKLCH L 85.3% C 0.116 H 214.9°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#66E2FE
RGB	rgb(102, 226, 254)
HSL	hsl(191, 99%, 70%)
HSV	hsv(191, 60%, 100%)
CMYK	cmyk(59.8%, 11%, 0%, 0.4%)
CIE-LAB	lab(84.16, -26.59, -23.97)
CIE-LCH	lch(84.16, 35.80, 222.03°)
OKLab	oklab(85.3% -0.0952 -0.0665)
OKLCH	oklch(85.3% 0.116 214.9)
XYZ	xyz(50.5580, 64.3681, 103.5066)
Luminance	0.6437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E2FE #FE8266

analogous

#66FECE #66E2FE #6696FE

triadic

#66E2FE #FE66E2 #E2FE66

tetradic

#66E2FE #CE66FE #FE8266 #96FE66

square

#66E2FE #CE66FE #FE8266 #96FE66

split-complementary

#66E2FE #FE6696 #FECE66

monochromatic

#02BEE8 #29D6FE #66E2FE #A3EEFE #E0F9FF

Accessibility & contrast

On white

1.51

#66E2FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.87

#66E2FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E2FE

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E2FE	#FFFFFF	#000000	##000000
##66E2FE	1.00	1.51	13.87	13.87
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.87	21.00	1.00	1.00
##000000	13.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEDBFF

Deuteranopia (green-blind)

#B8CBFE

Tritanopia (blue-blind)

#00EDEB

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e2fe;
/* rgb */ color: rgb(102, 226, 254);
/* oklch */ color: oklch(85.3% 0.116 214.9);

Tailwind

colors: {
  custom: {
    50: '#9febfe',
    500: '#66e2fe',
    950: '#000000',
  },
}

SCSS

$custom: #66e2fe;
$custom-light: #9febfe;
$custom-dark: #000000;

JSON

{
  "hex": "#66e2fe",
  "rgb": {
    "r": 102,
    "g": 226,
    "b": 254
  },
  "hsl": {
    "h": 191.053,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.85295,
    "c": 0.11615,
    "h": 214.9
  },
  "luminance": 0.64373
}

Semantic roles & 50–950 ramp

primary

#66E2FE

secondary

#D94E2F

accent

#2A00E6

background

#FDFEFF

surface

#F7FDFF

border

#D0D5D7

text

#101617

muted

#818485

Preview Lab

Preview with #66E2FE

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

Preview Lab → · Contrast checker → · Palette generator →