#66ECDA#66ECDA

#66ECDA is a very light, vivid teal. Relative luminance 0.679; OKLCH L 86.4% C 0.120 H 183.3°. Best body text is #000000 at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#66ECDA
RGB	rgb(102, 236, 218)
HSL	hsl(172, 78%, 66%)
HSV	hsv(172, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 7.6%, 7.5%)
CIE-LAB	lab(85.94, -40.89, -2.33)
CIE-LCH	lch(85.94, 40.96, 183.26°)
OKLab	oklab(86.38% -0.1202 -0.0069)
OKLCH	oklch(86.38% 0.12 183.3)
XYZ	xyz(48.1242, 67.8728, 76.8807)
Luminance	0.6788 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECDA #EC6678

analogous

#66EC97 #66ECDA #66BBEC

triadic

#66ECDA #DA66EC #ECDA66

tetradic

#66ECDA #9766EC #EC6678 #BBEC66

square

#66ECDA #9766EC #EC6678 #BBEC66

split-complementary

#66ECDA #EC66BB #EC9766

monochromatic

#18C0A9 #30E5CD #66ECDA #9CF3E7 #D3FAF4

Accessibility & contrast

On white

1.44

#66ECDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.58

#66ECDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECDA

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECDA	#FFFFFF	#000000	##000000
##66ECDA	1.00	1.44	14.58	14.58
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.58	21.00	1.00	1.00
##000000	14.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E0D9

Deuteranopia (green-blind)

#CDD1DC

Tritanopia (blue-blind)

#00F0E6

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66ecda;
/* rgb */ color: rgb(102, 236, 218);
/* oklch */ color: oklch(86.4% 0.120 183.3);

Tailwind

colors: {
  custom: {
    50: '#9df2e5',
    500: '#66ecda',
    950: '#000000',
  },
}

SCSS

$custom: #66ecda;
$custom-light: #9df2e5;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecda",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 218
  },
  "hsl": {
    "h": 171.94,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86382,
    "c": 0.1204,
    "h": 183.3
  },
  "luminance": 0.67878
}

Semantic roles & 50–950 ramp

primary

#66ECDA

secondary

#BE384A

accent

#0B27DA

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66ECDA

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

Preview Lab → · Contrast checker → · Palette generator →