#66F7F9#66F7F9

#66F7F9 is a very light, vivid teal. Relative luminance 0.762; OKLCH L 89.9% C 0.124 H 196.5°. Best body text is #000000 at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#66F7F9
RGB	rgb(102, 247, 249)
HSL	hsl(181, 92%, 69%)
HSV	hsv(181, 59%, 98%)
CMYK	cmyk(59%, 0.8%, 0%, 2.4%)
CIE-LAB	lab(89.94, -37.90, -12.63)
CIE-LCH	lch(89.94, 39.95, 198.42°)
OKLab	oklab(89.91% -0.1185 -0.035)
OKLCH	oklch(89.91% 0.124 196.5)
XYZ	xyz(55.8317, 76.1800, 101.3660)
Luminance	0.7619 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F7F9 #F96866

analogous

#66F9B2 #66F7F9 #66AEF9

triadic

#66F7F9 #F966F7 #F7F966

tetradic

#66F7F9 #B266F9 #F96866 #AEF966

square

#66F7F9 #B266F9 #F96866 #AEF966

split-complementary

#66F7F9 #F966AE #F9B266

monochromatic

#09D9DC #2BF4F7 #66F7F9 #A1FAFB #DCFDFE

Accessibility & contrast

On white

1.29

#66F7F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.24

#66F7F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F7F9

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F7F9	#FFFFFF	#000000	##000000
##66F7F9	1.00	1.29	16.24	16.24
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.24	21.00	1.00	1.00
##000000	16.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8ECF9

Deuteranopia (green-blind)

#D0DBFA

Tritanopia (blue-blind)

#00FEF7

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #66f7f9;
/* rgb */ color: rgb(102, 247, 249);
/* oklch */ color: oklch(89.9% 0.124 196.5);

Tailwind

colors: {
  custom: {
    50: '#a0fafb',
    500: '#66f7f9',
    950: '#000000',
  },
}

SCSS

$custom: #66f7f9;
$custom-light: #a0fafb;
$custom-dark: #000000;

JSON

{
  "hex": "#66f7f9",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 249
  },
  "hsl": {
    "h": 180.816,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.89905,
    "c": 0.12354,
    "h": 196.5
  },
  "luminance": 0.76186
}

Semantic roles & 50–950 ramp

primary

#66F7F9

secondary

#D33330

accent

#0300E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F7F9

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

Preview Lab → · Contrast checker → · Palette generator →