#66F9EB#66F9EB

#66F9EB is a very light, vivid teal. Relative luminance 0.766; OKLCH L 89.9% C 0.127 H 186.5°. Best body text is #000000 at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#66F9EB
RGB	rgb(102, 249, 235)
HSL	hsl(174, 92%, 69%)
HSV	hsv(174, 59%, 98%)
CMYK	cmyk(59%, 0%, 5.6%, 2.4%)
CIE-LAB	lab(90.12, -42.43, -5.07)
CIE-LCH	lch(90.12, 42.73, 186.82°)
OKLab	oklab(89.92% -0.1263 -0.0144)
OKLCH	oklch(89.92% 0.127 186.5)
XYZ	xyz(54.3439, 76.5687, 90.4964)
Luminance	0.7657 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9EB #F96674

analogous

#66F9A2 #66F9EB #66BEF9

triadic

#66F9EB #EB66F9 #F9EB66

tetradic

#66F9EB #A266F9 #F96674 #BEF966

square

#66F9EB #A266F9 #F96674 #BEF966

split-complementary

#66F9EB #F966BE #F9A266

monochromatic

#09DCC8 #2BF7E3 #66F9EB #A1FBF3 #DCFEFA

Accessibility & contrast

On white

1.29

#66F9EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.31

#66F9EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9EB

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9EB	#FFFFFF	#000000	##000000
##66F9EB	1.00	1.29	16.31	16.31
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.31	21.00	1.00	1.00
##000000	16.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDECEB

Deuteranopia (green-blind)

#D6DCED

Tritanopia (blue-blind)

#00FEF4

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66f9eb;
/* rgb */ color: rgb(102, 249, 235);
/* oklch */ color: oklch(89.9% 0.127 186.5);

Tailwind

colors: {
  custom: {
    50: '#a0fcf1',
    500: '#66f9eb',
    950: '#000000',
  },
}

SCSS

$custom: #66f9eb;
$custom-light: #a0fcf1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9eb",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 235
  },
  "hsl": {
    "h": 174.286,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.89921,
    "c": 0.12715,
    "h": 186.5
  },
  "luminance": 0.76574
}

Semantic roles & 50–950 ramp

primary

#66F9EB

secondary

#D33040

accent

#0016E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F9EB

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

Preview Lab → · Contrast checker → · Palette generator →