#66F7E9#66F7E9

#66F7E9 is a very light, vivid teal. Relative luminance 0.752; OKLCH L 89.4% C 0.126 H 186.4°. Best body text is #000000 at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#66F7E9
RGB	rgb(102, 247, 233)
HSL	hsl(174, 90%, 68%)
HSV	hsv(174, 59%, 97%)
CMYK	cmyk(58.7%, 0%, 5.7%, 3.1%)
CIE-LAB	lab(89.50, -42.05, -4.95)
CIE-LCH	lch(89.50, 42.34, 186.72°)
OKLab	oklab(89.4% -0.1251 -0.014)
OKLCH	oklch(89.4% 0.126 186.4)
XYZ	xyz(53.4417, 75.2240, 88.7783)
Luminance	0.7523 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F7E9 #F76674

analogous

#66F7A0 #66F7E9 #66BCF7

triadic

#66F7E9 #E966F7 #F7E966

tetradic

#66F7E9 #A066F7 #F76674 #BCF766

square

#66F7E9 #A066F7 #F76674 #BCF766

split-complementary

#66F7E9 #F766BC #F7A066

monochromatic

#0BD7C4 #2CF4E1 #66F7E9 #A0FAF1 #DAFDFA

Accessibility & contrast

On white

1.31

#66F7E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.05

#66F7E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F7E9

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F7E9	#FFFFFF	#000000	##000000
##66F7E9	1.00	1.31	16.05	16.05
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.05	21.00	1.00	1.00
##000000	16.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBEBE9

Deuteranopia (green-blind)

#D5DAEB

Tritanopia (blue-blind)

#00FCF2

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #66f7e9;
/* rgb */ color: rgb(102, 247, 233);
/* oklch */ color: oklch(89.4% 0.126 186.4);

Tailwind

colors: {
  custom: {
    50: '#9ffaf0',
    500: '#66f7e9',
    950: '#000000',
  },
}

SCSS

$custom: #66f7e9;
$custom-light: #9ffaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f7e9",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 233
  },
  "hsl": {
    "h": 174.207,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.89397,
    "c": 0.12593,
    "h": 186.4
  },
  "luminance": 0.7523
}

Semantic roles & 50–950 ramp

primary

#66F7E9

secondary

#D03140

accent

#0016E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F7E9

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

Preview Lab → · Contrast checker → · Palette generator →