#66EFDA#66EFDA

#66EFDA is a very light, vivid teal. Relative luminance 0.696; OKLCH L 87.1% C 0.123 H 181.6°. Best body text is #000000 at 14.92:1 contrast (WCAG AA passes).

Color values

HEX	#66EFDA
RGB	rgb(102, 239, 218)
HSL	hsl(171, 81%, 67%)
HSV	hsv(171, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 8.8%, 6.3%)
CIE-LAB	lab(86.81, -42.23, -1.06)
CIE-LCH	lch(86.81, 42.24, 181.44°)
OKLab	oklab(87.08% -0.1233 -0.0035)
OKLCH	oklch(87.08% 0.123 181.6)
XYZ	xyz(48.9952, 69.6148, 77.1710)
Luminance	0.6962 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFDA #EF667B

analogous

#66EF96 #66EFDA #66C0EF

triadic

#66EFDA #DA66EF #EFDA66

tetradic

#66EFDA #9666EF #EF667B #C0EF66

square

#66EFDA #9666EF #EF667B #C0EF66

split-complementary

#66EFDA #EF66C0 #EF9666

monochromatic

#15C6AB #2FE9CD #66EFDA #9DF5E7 #D5FBF5

Accessibility & contrast

On white

1.41

#66EFDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.92

#66EFDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFDA

14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFDA	#FFFFFF	#000000	##000000
##66EFDA	1.00	1.41	14.92	14.92
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.92	21.00	1.00	1.00
##000000	14.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5E2D9

Deuteranopia (green-blind)

#D0D3DC

Tritanopia (blue-blind)

#00F3E8

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66efda;
/* rgb */ color: rgb(102, 239, 218);
/* oklch */ color: oklch(87.1% 0.123 181.6);

Tailwind

colors: {
  custom: {
    50: '#9ef5e5',
    500: '#66efda',
    950: '#000000',
  },
}

SCSS

$custom: #66efda;
$custom-light: #9ef5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#66efda",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 218
  },
  "hsl": {
    "h": 170.803,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87084,
    "c": 0.12338,
    "h": 181.6
  },
  "luminance": 0.6962
}

Semantic roles & 50–950 ramp

primary

#66EFDA

secondary

#C3364C

accent

#0829DD

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#101715

muted

#808584

Preview Lab

Preview with #66EFDA

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

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