#66EBF0#66EBF0

#66EBF0 is a very light, moderate teal. Relative luminance 0.685; OKLCH L 86.9% C 0.116 H 198.7°. Best body text is #000000 at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#66EBF0
RGB	rgb(102, 235, 240)
HSL	hsl(182, 82%, 67%)
HSV	hsv(182, 58%, 94%)
CMYK	cmyk(57.5%, 2.1%, 0%, 5.9%)
CIE-LAB	lab(86.27, -34.76, -13.41)
CIE-LCH	lch(86.27, 37.25, 201.10°)
OKLab	oklab(86.85% -0.1099 -0.0371)
OKLCH	oklch(86.85% 0.116 198.7)
XYZ	xyz(50.9093, 68.5275, 92.9654)
Luminance	0.6853 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EBF0 #F06B66

analogous

#66F0B0 #66EBF0 #66A6F0

triadic

#66EBF0 #F066EB #EBF066

tetradic

#66EBF0 #B066F0 #F06B66 #A6F066

square

#66EBF0 #B066F0 #F06B66 #A6F066

split-complementary

#66EBF0 #F066A6 #F0B066

monochromatic

#14C1C8 #2EE4EB #66EBF0 #9EF2F5 #D5FAFB

Accessibility & contrast

On white

1.43

#66EBF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.71

#66EBF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EBF0

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EBF0	#FFFFFF	#000000	##000000
##66EBF0	1.00	1.43	14.71	14.71
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.71	21.00	1.00	1.00
##000000	14.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCE1F1

Deuteranopia (green-blind)

#C6D1F1

Tritanopia (blue-blind)

#00F2EC

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66ebf0;
/* rgb */ color: rgb(102, 235, 240);
/* oklch */ color: oklch(86.9% 0.116 198.7);

Tailwind

colors: {
  custom: {
    50: '#9ff2f4',
    500: '#66ebf0',
    950: '#000000',
  },
}

SCSS

$custom: #66ebf0;
$custom-light: #9ff2f4;
$custom-dark: #000000;

JSON

{
  "hex": "#66ebf0",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 240
  },
  "hsl": {
    "h": 182.174,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.8685,
    "c": 0.11604,
    "h": 198.7
  },
  "luminance": 0.68533
}

Semantic roles & 50–950 ramp

primary

#66EBF0

secondary

#C53A35

accent

#0F07DF

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66EBF0

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

Preview Lab → · Contrast checker → · Palette generator →