#66E9E2#66E9E2

#66E9E2 is a very light, moderate teal. Relative luminance 0.666; OKLCH L 85.9% C 0.116 H 190.4°. Best body text is #000000 at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#66E9E2
RGB	rgb(102, 233, 226)
HSL	hsl(177, 75%, 66%)
HSV	hsv(177, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 3%, 8.6%)
CIE-LAB	lab(85.30, -37.51, -7.49)
CIE-LCH	lch(85.30, 38.25, 191.30°)
OKLab	oklab(85.93% -0.1137 -0.0209)
OKLCH	oklch(85.93% 0.116 190.4)
XYZ	xyz(48.3399, 66.5888, 82.2422)
Luminance	0.6659 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E9E2 #E9666D

analogous

#66E9A0 #66E9E2 #66AEE9

triadic

#66E9E2 #E266E9 #E9E266

tetradic

#66E9E2 #A066E9 #E9666D #AEE966

square

#66E9E2 #A066E9 #E9666D #AEE966

split-complementary

#66E9E2 #E966AE #E9A066

monochromatic

#1BBAB1 #30E1D8 #66E9E2 #9CF1EC #D1F8F6

Accessibility & contrast

On white

1.47

#66E9E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.32

#66E9E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9E2

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E9E2	#FFFFFF	#000000	##000000
##66E9E2	1.00	1.47	14.32	14.32
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.32	21.00	1.00	1.00
##000000	14.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDDEE2

Deuteranopia (green-blind)

#C8CFE3

Tritanopia (blue-blind)

#00EFE6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e9e2;
/* rgb */ color: rgb(102, 233, 226);
/* oklch */ color: oklch(85.9% 0.116 190.4);

Tailwind

colors: {
  custom: {
    50: '#9ef0eb',
    500: '#66e9e2',
    950: '#000000',
  },
}

SCSS

$custom: #66e9e2;
$custom-light: #9ef0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#66e9e2",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 226
  },
  "hsl": {
    "h": 176.794,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.8593,
    "c": 0.11557,
    "h": 190.4
  },
  "luminance": 0.66594
}

Semantic roles & 50–950 ramp

primary

#66E9E2

secondary

#B93A41

accent

#0E19D7

background

#FCFFFE

surface

#F6FEFD

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E9E2

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

Preview Lab → · Contrast checker → · Palette generator →