#66F5EC#66F5EC

#66F5EC is a very light, vivid teal. Relative luminance 0.742; OKLCH L 89.0% C 0.124 H 189.4°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#66F5EC
RGB	rgb(102, 245, 236)
HSL	hsl(176, 88%, 68%)
HSV	hsv(176, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 3.7%, 3.9%)
CIE-LAB	lab(89.01, -40.39, -7.24)
CIE-LCH	lch(89.01, 41.03, 190.16°)
OKLab	oklab(89.03% -0.1218 -0.0202)
OKLCH	oklch(89.03% 0.124 189.4)
XYZ	xyz(53.2655, 74.1802, 90.8517)
Luminance	0.7419 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5EC #F5666F

analogous

#66F5A4 #66F5EC #66B6F5

triadic

#66F5EC #EC66F5 #F5EC66

tetradic

#66F5EC #A466F5 #F5666F #B6F566

square

#66F5EC #A466F5 #F5666F #B6F566

split-complementary

#66F5EC #F566B6 #F5A466

monochromatic

#0ED3C6 #2DF1E5 #66F5EC #9FF9F3 #D9FDFA

Accessibility & contrast

On white

1.33

#66F5EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#66F5EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5EC

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5EC	#FFFFFF	#000000	##000000
##66F5EC	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8E9EC

Deuteranopia (green-blind)

#D2D9ED

Tritanopia (blue-blind)

#00FBF2

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66f5ec;
/* rgb */ color: rgb(102, 245, 236);
/* oklch */ color: oklch(89.0% 0.124 189.4);

Tailwind

colors: {
  custom: {
    50: '#9ff9f2',
    500: '#66f5ec',
    950: '#000000',
  },
}

SCSS

$custom: #66f5ec;
$custom-light: #9ff9f2;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5ec",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 236
  },
  "hsl": {
    "h": 176.224,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.89026,
    "c": 0.12351,
    "h": 189.4
  },
  "luminance": 0.74186
}

Semantic roles & 50–950 ramp

primary

#66F5EC

secondary

#CE313B

accent

#010FE4

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F5EC

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

Preview Lab → · Contrast checker → · Palette generator →