#66E6F0#66E6F0

#66E6F0 is a very light, moderate teal. Relative luminance 0.657; OKLCH L 85.7% C 0.113 H 202.3°. Best body text is #000000 at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#66E6F0
RGB	rgb(102, 230, 240)
HSL	hsl(184, 82%, 67%)
HSV	hsv(184, 58%, 94%)
CMYK	cmyk(57.5%, 4.2%, 0%, 5.9%)
CIE-LAB	lab(84.85, -32.41, -15.54)
CIE-LCH	lch(84.85, 35.94, 205.62°)
OKLab	oklab(85.7% -0.1048 -0.043)
OKLCH	oklch(85.7% 0.113 202.3)
XYZ	xyz(49.4979, 65.7047, 92.4949)
Luminance	0.6571 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E6F0 #F07066

analogous

#66F0B5 #66E6F0 #66A1F0

triadic

#66E6F0 #F066E6 #E6F066

tetradic

#66E6F0 #B566F0 #F07066 #A1F066

square

#66E6F0 #B566F0 #F07066 #A1F066

split-complementary

#66E6F0 #F066A1 #F0B566

monochromatic

#14BBC8 #2EDDEB #66E6F0 #9EEFF5 #D5F8FB

Accessibility & contrast

On white

1.48

#66E6F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.14

#66E6F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E6F0

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E6F0	#FFFFFF	#000000	##000000
##66E6F0	1.00	1.48	14.14	14.14
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.14	21.00	1.00	1.00
##000000	14.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6DDF1

Deuteranopia (green-blind)

#C1CDF1

Tritanopia (blue-blind)

#00EEE9

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66e6f0;
/* rgb */ color: rgb(102, 230, 240);
/* oklch */ color: oklch(85.7% 0.113 202.3);

Tailwind

colors: {
  custom: {
    50: '#9eeef5',
    500: '#66e6f0',
    950: '#000000',
  },
}

SCSS

$custom: #66e6f0;
$custom-light: #9eeef5;
$custom-dark: #000000;

JSON

{
  "hex": "#66e6f0",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 240
  },
  "hsl": {
    "h": 184.348,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85701,
    "c": 0.11327,
    "h": 202.3
  },
  "luminance": 0.6571
}

Semantic roles & 50–950 ramp

primary

#66E6F0

secondary

#C54035

accent

#1707DF

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101617

muted

#808585

Preview Lab

Preview with #66E6F0

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

Preview Lab → · Contrast checker → · Palette generator →