#66F8E5#66F8E5

#66F8E5 is a very light, vivid teal. Relative luminance 0.756; OKLCH L 89.5% C 0.128 H 183.5°. Best body text is #000000 at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#66F8E5
RGB	rgb(102, 248, 229)
HSL	hsl(172, 91%, 69%)
HSV	hsv(172, 59%, 97%)
CMYK	cmyk(58.9%, 0%, 7.7%, 2.7%)
CIE-LAB	lab(89.68, -43.49, -2.60)
CIE-LCH	lch(89.68, 43.57, 183.42°)
OKLab	oklab(89.51% -0.1279 -0.0077)
OKLCH	oklch(89.51% 0.128 183.5)
XYZ	xyz(53.1834, 75.6112, 85.9052)
Luminance	0.7562 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F8E5 #F86679

analogous

#66F89C #66F8E5 #66C2F8

triadic

#66F8E5 #E566F8 #F8E566

tetradic

#66F8E5 #9C66F8 #F86679 #C2F866

square

#66F8E5 #9C66F8 #F86679 #C2F866

split-complementary

#66F8E5 #F866C2 #F89C66

monochromatic

#0ADABF #2BF5DB #66F8E5 #A1FBEF #DBFDF9

Accessibility & contrast

On white

1.30

#66F8E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.12

#66F8E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F8E5

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F8E5	#FFFFFF	#000000	##000000
##66F8E5	1.00	1.30	16.12	16.12
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.12	21.00	1.00	1.00
##000000	16.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDEBE4

Deuteranopia (green-blind)

#D7DBE7

Tritanopia (blue-blind)

#00FDF2

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #66f8e5;
/* rgb */ color: rgb(102, 248, 229);
/* oklch */ color: oklch(89.5% 0.128 183.5);

Tailwind

colors: {
  custom: {
    50: '#9ffbed',
    500: '#66f8e5',
    950: '#000000',
  },
}

SCSS

$custom: #66f8e5;
$custom-light: #9ffbed;
$custom-dark: #000000;

JSON

{
  "hex": "#66f8e5",
  "rgb": {
    "r": 102,
    "g": 248,
    "b": 229
  },
  "hsl": {
    "h": 172.192,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.89508,
    "c": 0.12809,
    "h": 183.5
  },
  "luminance": 0.75617
}

Semantic roles & 50–950 ramp

primary

#66F8E5

secondary

#D23146

accent

#001EE6

background

#FDFFFE

surface

#F7FFFD

border

#D0D7D5

text

#101716

muted

#818584

Preview Lab

Preview with #66F8E5

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

Preview Lab → · Contrast checker → · Palette generator →