#66FCC5#66FCC5

#66FCC5 is a very light, vivid teal. Relative luminance 0.765; OKLCH L 89.6% C 0.151 H 165.7°. Best body text is #000000 at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#66FCC5
RGB	rgb(102, 252, 197)
HSL	hsl(158, 96%, 69%)
HSV	hsv(158, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 21.8%, 1.2%)
CIE-LAB	lab(90.08, -52.63, 14.56)
CIE-LCH	lch(90.08, 54.61, 164.54°)
OKLab	oklab(89.58% -0.1459 0.0373)
OKLCH	oklch(89.58% 0.151 165.7)
XYZ	xyz(50.3629, 76.4717, 64.9189)
Luminance	0.7648 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FCC5 #FC669D

analogous

#66FC7A #66FCC5 #66E8FC

triadic

#66FCC5 #C566FC #FCC566

tetradic

#66FCC5 #7A66FC #FC669D #E8FC66

square

#66FCC5 #7A66FC #FC669D #E8FC66

split-complementary

#66FCC5 #FC66E8 #FC7A66

monochromatic

#04E391 #2AFBAE #66FCC5 #A2FDDC #DEFEF3

Accessibility & contrast

On white

1.29

#66FCC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.30

#66FCC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FCC5

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FCC5	#FFFFFF	#000000	##000000
##66FCC5	1.00	1.29	16.30	16.30
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.30	21.00	1.00	1.00
##000000	16.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7ECC2

Deuteranopia (green-blind)

#E2DCC9

Tritanopia (blue-blind)

#00FDED

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66fcc5;
/* rgb */ color: rgb(102, 252, 197);
/* oklch */ color: oklch(89.6% 0.151 165.7);

Tailwind

colors: {
  custom: {
    50: '#9ffed6',
    500: '#66fcc5',
    950: '#000000',
  },
}

SCSS

$custom: #66fcc5;
$custom-light: #9ffed6;
$custom-dark: #000000;

JSON

{
  "hex": "#66fcc5",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 197
  },
  "hsl": {
    "h": 158,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.89584,
    "c": 0.15062,
    "h": 165.7
  },
  "luminance": 0.76477
}

Semantic roles & 50–950 ramp

primary

#66FCC5

secondary

#D6306D

accent

#0054E6

background

#FDFFFE

surface

#F7FFFB

border

#D0D7D4

text

#101814

muted

#818683

Preview Lab

Preview with #66FCC5

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

Preview Lab → · Contrast checker → · Palette generator →