#66ECB2#66ECB2

#66ECB2 is a very light, vivid teal. Relative luminance 0.660; OKLCH L 85.3% C 0.145 H 162.3°. Best body text is #000000 at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#66ECB2
RGB	rgb(102, 236, 178)
HSL	hsl(154, 78%, 66%)
HSV	hsv(154, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 24.6%, 7.5%)
CIE-LAB	lab(85.01, -50.05, 17.26)
CIE-LCH	lch(85.01, 52.94, 160.97°)
OKLab	oklab(85.31% -0.1379 0.0441)
OKLCH	oklch(85.31% 0.145 162.3)
XYZ	xyz(43.5068, 66.0259, 52.5624)
Luminance	0.6603 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECB2 #EC66A0

analogous

#66EC6F #66ECB2 #66E3EC

triadic

#66ECB2 #B266EC #ECB266

tetradic

#66ECB2 #6F66EC #EC66A0 #E3EC66

square

#66ECB2 #6F66EC #EC66A0 #E3EC66

split-complementary

#66ECB2 #EC66E3 #EC6F66

monochromatic

#18C077 #30E597 #66ECB2 #9CF3CD #D3FAE9

Accessibility & contrast

On white

1.48

#66ECB2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.21

#66ECB2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECB2

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECB2	#FFFFFF	#000000	##000000
##66ECB2	1.00	1.48	14.21	14.21
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.21	21.00	1.00	1.00
##000000	14.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9DCAF

Deuteranopia (green-blind)

#D6CFB6

Tritanopia (blue-blind)

#2AECDC

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66ecb2;
/* rgb */ color: rgb(102, 236, 178);
/* oklch */ color: oklch(85.3% 0.145 162.3);

Tailwind

colors: {
  custom: {
    50: '#9cf3c9',
    500: '#66ecb2',
    950: '#000000',
  },
}

SCSS

$custom: #66ecb2;
$custom-light: #9cf3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecb2",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 178
  },
  "hsl": {
    "h": 154.03,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85314,
    "c": 0.14475,
    "h": 162.3
  },
  "luminance": 0.6603
}

Semantic roles & 50–950 ramp

primary

#66ECB2

secondary

#BE3872

accent

#0B65DA

background

#FCFFFD

surface

#F6FEF9

border

#D0D6D2

text

#0F1713

muted

#808582

Preview Lab

Preview with #66ECB2

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

Preview Lab → · Contrast checker → · Palette generator →