#66F9EC#66F9EC

#66F9EC is a very light, vivid teal. Relative luminance 0.766; OKLCH L 90.0% C 0.127 H 187.1°. Best body text is #000000 at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#66F9EC
RGB	rgb(102, 249, 236)
HSL	hsl(175, 92%, 69%)
HSV	hsv(175, 59%, 98%)
CMYK	cmyk(59%, 0%, 5.2%, 2.4%)
CIE-LAB	lab(90.15, -42.18, -5.55)
CIE-LCH	lch(90.15, 42.54, 187.50°)
OKLab	oklab(89.95% -0.1259 -0.0157)
OKLCH	oklch(89.95% 0.127 187.1)
XYZ	xyz(54.4887, 76.6266, 91.2594)
Luminance	0.7663 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9EC #F96673

analogous

#66F9A3 #66F9EC #66BDF9

triadic

#66F9EC #EC66F9 #F9EC66

tetradic

#66F9EC #A366F9 #F96673 #BDF966

square

#66F9EC #A366F9 #F96673 #BDF966

split-complementary

#66F9EC #F966BD #F9A366

monochromatic

#09DCC9 #2BF7E5 #66F9EC #A1FBF3 #DCFEFB

Accessibility & contrast

On white

1.29

#66F9EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.33

#66F9EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9EC

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9EC	#FFFFFF	#000000	##000000
##66F9EC	1.00	1.29	16.33	16.33
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.33	21.00	1.00	1.00
##000000	16.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDEDEC

Deuteranopia (green-blind)

#D6DCEE

Tritanopia (blue-blind)

#00FEF5

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66f9ec;
/* rgb */ color: rgb(102, 249, 236);
/* oklch */ color: oklch(90.0% 0.127 187.1);

Tailwind

colors: {
  custom: {
    50: '#a0fcf2',
    500: '#66f9ec',
    950: '#000000',
  },
}

SCSS

$custom: #66f9ec;
$custom-light: #a0fcf2;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9ec",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 236
  },
  "hsl": {
    "h": 174.694,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.89952,
    "c": 0.12687,
    "h": 187.1
  },
  "luminance": 0.76632
}

Semantic roles & 50–950 ramp

primary

#66F9EC

secondary

#D3303F

accent

#0014E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F9EC

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

Preview Lab → · Contrast checker → · Palette generator →