#66FEF3#66FEF3

#66FEF3 is a very light, vivid teal. Relative luminance 0.802; OKLCH L 91.3% C 0.129 H 188.5°. Best body text is #000000 at 17.04:1 contrast (WCAG AA passes).

Color values

HEX	#66FEF3
RGB	rgb(102, 254, 243)
HSL	hsl(176, 99%, 70%)
HSV	hsv(176, 60%, 100%)
CMYK	cmyk(59.8%, 0%, 4.3%, 0.4%)
CIE-LAB	lab(91.76, -42.62, -6.81)
CIE-LCH	lch(91.76, 43.16, 189.07°)
OKLab	oklab(91.32% -0.128 -0.0191)
OKLCH	oklch(91.32% 0.129 188.5)
XYZ	xyz(57.0917, 80.1735, 97.2429)
Luminance	0.8018 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FEF3 #FE6671

analogous

#66FEA7 #66FEF3 #66BDFE

triadic

#66FEF3 #F366FE #FEF366

tetradic

#66FEF3 #A766FE #FE6671 #BDFE66

square

#66FEF3 #A766FE #FE6671 #BDFE66

split-complementary

#66FEF3 #FE66BD #FEA766

monochromatic

#02E8D7 #29FEEE #66FEF3 #A3FEF8 #E0FFFD

Accessibility & contrast

On white

1.23

#66FEF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.04

#66FEF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FEF3

17.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FEF3	#FFFFFF	#000000	##000000
##66FEF3	1.00	1.23	17.04	17.04
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.04	21.00	1.00	1.00
##000000	17.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1F1F3

Deuteranopia (green-blind)

#D9E0F5

Tritanopia (blue-blind)

#00FFFA

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #66fef3;
/* rgb */ color: rgb(102, 254, 243);
/* oklch */ color: oklch(91.3% 0.129 188.5);

Tailwind

colors: {
  custom: {
    50: '#a1fff7',
    500: '#66fef3',
    950: '#000000',
  },
}

SCSS

$custom: #66fef3;
$custom-light: #a1fff7;
$custom-dark: #000000;

JSON

{
  "hex": "#66fef3",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 243
  },
  "hsl": {
    "h": 175.658,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.91322,
    "c": 0.12942,
    "h": 188.5
  },
  "luminance": 0.80179
}

Semantic roles & 50–950 ramp

primary

#66FEF3

secondary

#D92F3B

accent

#0011E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101817

muted

#818685

Preview Lab

Preview with #66FEF3

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

Preview Lab → · Contrast checker → · Palette generator →