#66F3E2#66F3E2

#66F3E2 is a very light, vivid teal. Relative luminance 0.724; OKLCH L 88.3% C 0.124 H 184.4°. Best body text is #000000 at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#66F3E2
RGB	rgb(102, 243, 226)
HSL	hsl(173, 85%, 68%)
HSV	hsv(173, 58%, 95%)
CMYK	cmyk(58%, 0%, 7%, 4.7%)
CIE-LAB	lab(88.17, -42.03, -3.26)
CIE-LCH	lch(88.17, 42.15, 184.43°)
OKLab	oklab(88.26% -0.124 -0.0095)
OKLCH	oklch(88.26% 0.124 184.4)
XYZ	xyz(51.2514, 72.4117, 83.2127)
Luminance	0.7242 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3E2 #F36677

analogous

#66F39B #66F3E2 #66BDF3

triadic

#66F3E2 #E266F3 #F3E266

tetradic

#66F3E2 #9B66F3 #F36677 #BDF366

square

#66F3E2 #9B66F3 #F36677 #BDF366

split-complementary

#66F3E2 #F366BD #F39B66

monochromatic

#10CEB7 #2DEFD7 #66F3E2 #9FF7ED #D7FCF8

Accessibility & contrast

On white

1.36

#66F3E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.48

#66F3E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3E2

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3E2	#FFFFFF	#000000	##000000
##66F3E2	1.00	1.36	15.48	15.48
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.48	21.00	1.00	1.00
##000000	15.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8E7E1

Deuteranopia (green-blind)

#D2D7E4

Tritanopia (blue-blind)

#00F8EE

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #66f3e2;
/* rgb */ color: rgb(102, 243, 226);
/* oklch */ color: oklch(88.3% 0.124 184.4);

Tailwind

colors: {
  custom: {
    50: '#9ff7eb',
    500: '#66f3e2',
    950: '#000000',
  },
}

SCSS

$custom: #66f3e2;
$custom-light: #9ff7eb;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3e2",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 226
  },
  "hsl": {
    "h": 172.766,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88255,
    "c": 0.12438,
    "h": 184.4
  },
  "luminance": 0.72417
}

Semantic roles & 50–950 ramp

primary

#66F3E2

secondary

#CA3345

accent

#041EE2

background

#FDFFFE

surface

#F7FFFD

border

#D0D7D5

text

#101716

muted

#818584

Preview Lab

Preview with #66F3E2

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

Preview Lab → · Contrast checker → · Palette generator →