#66E5FE#66E5FE

#66E5FE is a very light, moderate teal. Relative luminance 0.660; OKLCH L 86.0% C 0.117 H 212.6°. Best body text is #000000 at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#66E5FE
RGB	rgb(102, 229, 254)
HSL	hsl(190, 99%, 70%)
HSV	hsv(190, 60%, 100%)
CMYK	cmyk(59.8%, 9.8%, 0%, 0.4%)
CIE-LAB	lab(85.00, -28.05, -22.68)
CIE-LCH	lch(85.00, 36.07, 218.96°)
OKLab	oklab(85.98% -0.0983 -0.0629)
OKLCH	oklch(85.98% 0.117 212.6)
XYZ	xyz(51.3809, 66.0139, 103.7809)
Luminance	0.6602 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E5FE #FE7F66

analogous

#66FECB #66E5FE #6699FE

triadic

#66E5FE #FE66E5 #E5FE66

tetradic

#66E5FE #CB66FE #FE7F66 #99FE66

square

#66E5FE #CB66FE #FE7F66 #99FE66

split-complementary

#66E5FE #FE6699 #FECB66

monochromatic

#02C2E8 #29DBFE #66E5FE #A3EFFE #E0FAFF

Accessibility & contrast

On white

1.48

#66E5FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.20

#66E5FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E5FE

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E5FE	#FFFFFF	#000000	##000000
##66E5FE	1.00	1.48	14.20	14.20
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.20	21.00	1.00	1.00
##000000	14.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2DEFF

Deuteranopia (green-blind)

#BBCDFE

Tritanopia (blue-blind)

#00EFED

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66e5fe;
/* rgb */ color: rgb(102, 229, 254);
/* oklch */ color: oklch(86.0% 0.117 212.6);

Tailwind

colors: {
  custom: {
    50: '#9fedfe',
    500: '#66e5fe',
    950: '#000000',
  },
}

SCSS

$custom: #66e5fe;
$custom-light: #9fedfe;
$custom-dark: #000000;

JSON

{
  "hex": "#66e5fe",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 254
  },
  "hsl": {
    "h": 189.868,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.85975,
    "c": 0.11669,
    "h": 212.6
  },
  "luminance": 0.66019
}

Semantic roles & 50–950 ramp

primary

#66E5FE

secondary

#D94B2F

accent

#2600E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E5FE

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

Preview Lab → · Contrast checker → · Palette generator →