#66F5F4#66F5F4

#66F5F4 is a very light, vivid teal. Relative luminance 0.747; OKLCH L 89.3% C 0.122 H 194.5°. Best body text is #000000 at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#66F5F4
RGB	rgb(102, 245, 244)
HSL	hsl(180, 88%, 68%)
HSV	hsv(180, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 0.4%, 3.9%)
CIE-LAB	lab(89.23, -38.31, -11.08)
CIE-LCH	lch(89.23, 39.88, 196.13°)
OKLab	oklab(89.28% -0.1185 -0.0307)
OKLCH	oklch(89.28% 0.122 194.5)
XYZ	xyz(54.4539, 74.6556, 97.1106)
Luminance	0.7466 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5F4 #F56667

analogous

#66F5AC #66F5F4 #66AFF5

triadic

#66F5F4 #F466F5 #F5F466

tetradic

#66F5F4 #AC66F5 #F56667 #AFF566

square

#66F5F4 #AC66F5 #F56667 #AFF566

split-complementary

#66F5F4 #F566AF #F5AC66

monochromatic

#0ED3D1 #2DF1F0 #66F5F4 #9FF9F8 #D9FDFC

Accessibility & contrast

On white

1.32

#66F5F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.93

#66F5F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5F4

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5F4	#FFFFFF	#000000	##000000
##66F5F4	1.00	1.32	15.93	15.93
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.93	21.00	1.00	1.00
##000000	15.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7EAF4

Deuteranopia (green-blind)

#D0D9F5

Tritanopia (blue-blind)

#00FCF4

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66f5f4;
/* rgb */ color: rgb(102, 245, 244);
/* oklch */ color: oklch(89.3% 0.122 194.5);

Tailwind

colors: {
  custom: {
    50: '#a0f9f7',
    500: '#66f5f4',
    950: '#000000',
  },
}

SCSS

$custom: #66f5f4;
$custom-light: #a0f9f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5f4",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 244
  },
  "hsl": {
    "h": 179.58,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.89282,
    "c": 0.12243,
    "h": 194.5
  },
  "luminance": 0.74661
}

Semantic roles & 50–950 ramp

primary

#66F5F4

secondary

#CE3132

accent

#0103E4

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F5F4

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

Preview Lab → · Contrast checker → · Palette generator →