#66ECDC#66ECDC

#66ECDC is a very light, moderate teal. Relative luminance 0.680; OKLCH L 86.4% C 0.120 H 184.6°. Best body text is #000000 at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#66ECDC
RGB	rgb(102, 236, 220)
HSL	hsl(173, 78%, 66%)
HSV	hsv(173, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 6.8%, 7.5%)
CIE-LAB	lab(86.00, -40.40, -3.30)
CIE-LCH	lch(86.00, 40.53, 184.68°)
OKLab	oklab(86.44% -0.1193 -0.0095)
OKLCH	oklch(86.44% 0.12 184.6)
XYZ	xyz(48.3875, 67.9782, 78.2673)
Luminance	0.6798 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECDC #EC6676

analogous

#66EC99 #66ECDC #66B9EC

triadic

#66ECDC #DC66EC #ECDC66

tetradic

#66ECDC #9966EC #EC6676 #B9EC66

square

#66ECDC #9966EC #EC6676 #B9EC66

split-complementary

#66ECDC #EC66B9 #EC9966

monochromatic

#18C0AC #30E5D0 #66ECDC #9CF3E8 #D3FAF5

Accessibility & contrast

On white

1.44

#66ECDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.60

#66ECDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECDC

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECDC	#FFFFFF	#000000	##000000
##66ECDC	1.00	1.44	14.60	14.60
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.60	21.00	1.00	1.00
##000000	14.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1E0DC

Deuteranopia (green-blind)

#CDD1DE

Tritanopia (blue-blind)

#00F1E7

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66ecdc;
/* rgb */ color: rgb(102, 236, 220);
/* oklch */ color: oklch(86.4% 0.120 184.6);

Tailwind

colors: {
  custom: {
    50: '#9ef2e6',
    500: '#66ecdc',
    950: '#000000',
  },
}

SCSS

$custom: #66ecdc;
$custom-light: #9ef2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecdc",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 220
  },
  "hsl": {
    "h": 172.836,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86442,
    "c": 0.11973,
    "h": 184.6
  },
  "luminance": 0.67983
}

Semantic roles & 50–950 ramp

primary

#66ECDC

secondary

#BE3848

accent

#0B24DA

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1716

muted

#808584

Preview Lab

Preview with #66ECDC

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

Preview Lab → · Contrast checker → · Palette generator →