#66E9F2#66E9F2

#66E9F2 is a very light, moderate teal. Relative luminance 0.675; OKLCH L 86.5% C 0.115 H 201.5°. Best body text is #000000 at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#66E9F2
RGB	rgb(102, 233, 242)
HSL	hsl(184, 84%, 67%)
HSV	hsv(184, 58%, 95%)
CMYK	cmyk(57.9%, 3.7%, 0%, 5.1%)
CIE-LAB	lab(85.76, -33.28, -15.22)
CIE-LCH	lch(85.76, 36.60, 204.58°)
OKLab	oklab(86.46% -0.1071 -0.0421)
OKLCH	oklch(86.46% 0.115 201.5)
XYZ	xyz(50.6387, 67.5083, 94.3489)
Luminance	0.6751 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E9F2 #F26F66

analogous

#66F2B5 #66E9F2 #66A3F2

triadic

#66E9F2 #F266E9 #E9F266

tetradic

#66E9F2 #B566F2 #F26F66 #A3F266

square

#66E9F2 #B566F2 #F26F66 #A3F266

split-complementary

#66E9F2 #F266A3 #F2B566

monochromatic

#11C0CC #2EE1ED #66E9F2 #9EF1F7 #D7F9FC

Accessibility & contrast

On white

1.45

#66E9F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.50

#66E9F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9F2

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E9F2	#FFFFFF	#000000	##000000
##66E9F2	1.00	1.45	14.50	14.50
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.50	21.00	1.00	1.00
##000000	14.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9E0F3

Deuteranopia (green-blind)

#C3CFF3

Tritanopia (blue-blind)

#00F1EB

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66e9f2;
/* rgb */ color: rgb(102, 233, 242);
/* oklch */ color: oklch(86.5% 0.115 201.5);

Tailwind

colors: {
  custom: {
    50: '#9ff0f6',
    500: '#66e9f2',
    950: '#000000',
  },
}

SCSS

$custom: #66e9f2;
$custom-light: #9ff0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#66e9f2",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 242
  },
  "hsl": {
    "h": 183.857,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.86459,
    "c": 0.11507,
    "h": 201.5
  },
  "luminance": 0.67513
}

Semantic roles & 50–950 ramp

primary

#66E9F2

secondary

#C93D34

accent

#1305E1

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101617

muted

#818585

Preview Lab

Preview with #66E9F2

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

Preview Lab → · Contrast checker → · Palette generator →