#66ECB1#66ECB1

#66ECB1 is a very light, vivid teal. Relative luminance 0.660; OKLCH L 85.3% C 0.146 H 161.8°. Best body text is #000000 at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#66ECB1
RGB	rgb(102, 236, 177)
HSL	hsl(154, 78%, 66%)
HSV	hsv(154, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 25%, 7.5%)
CIE-LAB	lab(84.99, -50.25, 17.75)
CIE-LCH	lch(84.99, 53.30, 160.54°)
OKLab	oklab(85.29% -0.1383 0.0454)
OKLCH	oklch(85.29% 0.146 161.8)
XYZ	xyz(43.4068, 65.9859, 52.0355)
Luminance	0.6599 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECB1 #EC66A1

analogous

#66EC6E #66ECB1 #66E4EC

triadic

#66ECB1 #B166EC #ECB166

tetradic

#66ECB1 #6E66EC #EC66A1 #E4EC66

square

#66ECB1 #6E66EC #EC66A1 #E4EC66

split-complementary

#66ECB1 #EC66E4 #EC6E66

monochromatic

#18C076 #30E595 #66ECB1 #9CF3CD #D3FAE9

Accessibility & contrast

On white

1.48

#66ECB1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.20

#66ECB1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECB1

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECB1	#FFFFFF	#000000	##000000
##66ECB1	1.00	1.48	14.20	14.20
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.20	21.00	1.00	1.00
##000000	14.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9DCAE

Deuteranopia (green-blind)

#D6CFB5

Tritanopia (blue-blind)

#2BECDC

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66ecb1;
/* rgb */ color: rgb(102, 236, 177);
/* oklch */ color: oklch(85.3% 0.146 161.8);

Tailwind

colors: {
  custom: {
    50: '#9cf3c8',
    500: '#66ecb1',
    950: '#000000',
  },
}

SCSS

$custom: #66ecb1;
$custom-light: #9cf3c8;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecb1",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 177
  },
  "hsl": {
    "h": 153.582,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85291,
    "c": 0.14556,
    "h": 161.8
  },
  "luminance": 0.6599
}

Semantic roles & 50–950 ramp

primary

#66ECB1

secondary

#BE3873

accent

#0B66DA

background

#FCFFFD

surface

#F6FEF9

border

#D0D6D2

text

#0F1713

muted

#808582

Preview Lab

Preview with #66ECB1

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

Preview Lab → · Contrast checker → · Palette generator →