#66ECFA#66ECFA

#66ECFA is a very light, moderate teal. Relative luminance 0.697; OKLCH L 87.4% C 0.118 H 204.7°. Best body text is #000000 at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#66ECFA
RGB	rgb(102, 236, 250)
HSL	hsl(186, 94%, 69%)
HSV	hsv(186, 59%, 98%)
CMYK	cmyk(59.2%, 5.6%, 0%, 2%)
CIE-LAB	lab(86.86, -32.52, -17.78)
CIE-LCH	lch(86.86, 37.06, 208.67°)
OKLab	oklab(87.42% -0.1069 -0.0492)
OKLCH	oklch(87.42% 0.118 204.7)
XYZ	xyz(52.7230, 69.7124, 101.1012)
Luminance	0.6972 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECFA #FA7466

analogous

#66FABE #66ECFA #66A2FA

triadic

#66ECFA #FA66EC #ECFA66

tetradic

#66ECFA #BE66FA #FA7466 #A2FA66

square

#66ECFA #BE66FA #FA7466 #A2FA66

split-complementary

#66ECFA #FA66A2 #FABE66

monochromatic

#07CADE #2BE5F8 #66ECFA #A1F3FC #DDFBFE

Accessibility & contrast

On white

1.41

#66ECFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.94

#66ECFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECFA

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECFA	#FFFFFF	#000000	##000000
##66ECFA	1.00	1.41	14.94	14.94
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.94	21.00	1.00	1.00
##000000	14.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBE3FB

Deuteranopia (green-blind)

#C4D2FB

Tritanopia (blue-blind)

#00F5F0

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66ecfa;
/* rgb */ color: rgb(102, 236, 250);
/* oklch */ color: oklch(87.4% 0.118 204.7);

Tailwind

colors: {
  custom: {
    50: '#a0f2fc',
    500: '#66ecfa',
    950: '#000000',
  },
}

SCSS

$custom: #66ecfa;
$custom-light: #a0f2fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecfa",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 250
  },
  "hsl": {
    "h": 185.676,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.87423,
    "c": 0.11773,
    "h": 204.7
  },
  "luminance": 0.69718
}

Semantic roles & 50–950 ramp

primary

#66ECFA

secondary

#D44030

accent

#1600E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66ECFA

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

Preview Lab → · Contrast checker → · Palette generator →