#66ECF2#66ECF2

#66ECF2 is a very light, moderate teal. Relative luminance 0.692; OKLCH L 87.1% C 0.117 H 199.3°. Best body text is #000000 at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#66ECF2
RGB	rgb(102, 236, 242)
HSL	hsl(183, 84%, 67%)
HSV	hsv(183, 58%, 95%)
CMYK	cmyk(57.9%, 2.5%, 0%, 5.1%)
CIE-LAB	lab(86.61, -34.69, -13.95)
CIE-LCH	lch(86.61, 37.39, 201.90°)
OKLab	oklab(87.15% -0.1102 -0.0386)
OKLCH	oklch(87.15% 0.117 199.3)
XYZ	xyz(51.4951, 69.2212, 94.6344)
Luminance	0.6923 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECF2 #F26C66

analogous

#66F2B2 #66ECF2 #66A6F2

triadic

#66ECF2 #F266EC #ECF266

tetradic

#66ECF2 #B266F2 #F26C66 #A6F266

square

#66ECF2 #B266F2 #F26C66 #A6F266

split-complementary

#66ECF2 #F266A6 #F2B266

monochromatic

#11C4CC #2EE5ED #66ECF2 #9EF3F7 #D7FAFC

Accessibility & contrast

On white

1.41

#66ECF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.85

#66ECF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECF2

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECF2	#FFFFFF	#000000	##000000
##66ECF2	1.00	1.41	14.85	14.85
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.85	21.00	1.00	1.00
##000000	14.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE2F3

Deuteranopia (green-blind)

#C7D2F3

Tritanopia (blue-blind)

#00F4ED

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66ecf2;
/* rgb */ color: rgb(102, 236, 242);
/* oklch */ color: oklch(87.1% 0.117 199.3);

Tailwind

colors: {
  custom: {
    50: '#9ff2f6',
    500: '#66ecf2',
    950: '#000000',
  },
}

SCSS

$custom: #66ecf2;
$custom-light: #9ff2f6;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecf2",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 242
  },
  "hsl": {
    "h": 182.571,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.87147,
    "c": 0.11672,
    "h": 199.3
  },
  "luminance": 0.69226
}

Semantic roles & 50–950 ramp

primary

#66ECF2

secondary

#C93A34

accent

#0E05E1

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66ECF2

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

Preview Lab → · Contrast checker → · Palette generator →