#66F4FB#66F4FB

#66F4FB is a very light, vivid teal. Relative luminance 0.745; OKLCH L 89.3% C 0.122 H 199.7°. Best body text is #000000 at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#66F4FB
RGB	rgb(102, 244, 251)
HSL	hsl(183, 95%, 69%)
HSV	hsv(183, 59%, 98%)
CMYK	cmyk(59.4%, 2.8%, 0%, 1.6%)
CIE-LAB	lab(89.15, -35.99, -14.85)
CIE-LCH	lch(89.15, 38.93, 202.43°)
OKLab	oklab(89.29% -0.1146 -0.0411)
OKLCH	oklch(89.29% 0.122 199.7)
XYZ	xyz(55.2353, 74.4854, 102.7143)
Luminance	0.7449 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F4FB #FB6D66

analogous

#66FBB8 #66F4FB #66AAFB

triadic

#66F4FB #FB66F4 #F4FB66

tetradic

#66F4FB #B866FB #FB6D66 #AAFB66

square

#66F4FB #B866FB #FB6D66 #AAFB66

split-complementary

#66F4FB #FB66AA #FBB866

monochromatic

#06D6E1 #2AF0F9 #66F4FB #A2F8FD #DDFDFE

Accessibility & contrast

On white

1.32

#66F4FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.90

#66F4FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4FB

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F4FB	#FFFFFF	#000000	##000000
##66F4FB	1.00	1.32	15.90	15.90
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.90	21.00	1.00	1.00
##000000	15.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4EAFC

Deuteranopia (green-blind)

#CDD9FC

Tritanopia (blue-blind)

#00FCF6

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66f4fb;
/* rgb */ color: rgb(102, 244, 251);
/* oklch */ color: oklch(89.3% 0.122 199.7);

Tailwind

colors: {
  custom: {
    50: '#a0f8fc',
    500: '#66f4fb',
    950: '#000000',
  },
}

SCSS

$custom: #66f4fb;
$custom-light: #a0f8fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66f4fb",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 251
  },
  "hsl": {
    "h": 182.819,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.89285,
    "c": 0.1218,
    "h": 199.7
  },
  "luminance": 0.74491
}

Semantic roles & 50–950 ramp

primary

#66F4FB

secondary

#D53830

accent

#0B00E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F4FB

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

Preview Lab → · Contrast checker → · Palette generator →