#66F5ED#66F5ED

#66F5ED is a very light, vivid teal. Relative luminance 0.742; OKLCH L 89.1% C 0.123 H 190.1°. Best body text is #000000 at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#66F5ED
RGB	rgb(102, 245, 237)
HSL	hsl(177, 88%, 68%)
HSV	hsv(177, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 3.3%, 3.9%)
CIE-LAB	lab(89.04, -40.13, -7.72)
CIE-LCH	lch(89.04, 40.87, 190.89°)
OKLab	oklab(89.06% -0.1214 -0.0215)
OKLCH	oklch(89.06% 0.123 190.1)
XYZ	xyz(53.4112, 74.2385, 91.6190)
Luminance	0.7424 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5ED #F5666E

analogous

#66F5A5 #66F5ED #66B6F5

triadic

#66F5ED #ED66F5 #F5ED66

tetradic

#66F5ED #A566F5 #F5666E #B6F566

square

#66F5ED #A566F5 #F5666E #B6F566

split-complementary

#66F5ED #F566B6 #F5A566

monochromatic

#0ED3C8 #2DF1E6 #66F5ED #9FF9F4 #D9FDFB

Accessibility & contrast

On white

1.33

#66F5ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.85

#66F5ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5ED

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5ED	#FFFFFF	#000000	##000000
##66F5ED	1.00	1.33	15.85	15.85
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.85	21.00	1.00	1.00
##000000	15.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8E9ED

Deuteranopia (green-blind)

#D2D9EE

Tritanopia (blue-blind)

#00FBF2

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66f5ed;
/* rgb */ color: rgb(102, 245, 237);
/* oklch */ color: oklch(89.1% 0.123 190.1);

Tailwind

colors: {
  custom: {
    50: '#9ff9f2',
    500: '#66f5ed',
    950: '#000000',
  },
}

SCSS

$custom: #66f5ed;
$custom-light: #9ff9f2;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5ed",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 237
  },
  "hsl": {
    "h": 176.643,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.89058,
    "c": 0.12332,
    "h": 190.1
  },
  "luminance": 0.74244
}

Semantic roles & 50–950 ramp

primary

#66F5ED

secondary

#CE313A

accent

#010EE4

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F5ED

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

Preview Lab → · Contrast checker → · Palette generator →