#66F5EE#66F5EE

#66F5EE is a very light, vivid teal. Relative luminance 0.743; OKLCH L 89.1% C 0.123 H 190.7°. Best body text is #000000 at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#66F5EE
RGB	rgb(102, 245, 238)
HSL	hsl(177, 88%, 68%)
HSV	hsv(177, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 2.9%, 3.9%)
CIE-LAB	lab(89.06, -39.87, -8.20)
CIE-LCH	lch(89.06, 40.71, 191.62°)
OKLab	oklab(89.09% -0.121 -0.0229)
OKLCH	oklch(89.09% 0.123 190.7)
XYZ	xyz(53.5577, 74.2971, 92.3906)
Luminance	0.7430 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5EE #F5666D

analogous

#66F5A6 #66F5EE #66B4F5

triadic

#66F5EE #EE66F5 #F5EE66

tetradic

#66F5EE #A666F5 #F5666D #B4F566

square

#66F5EE #A666F5 #F5666D #B4F566

split-complementary

#66F5EE #F566B4 #F5A666

monochromatic

#0ED3C9 #2DF1E8 #66F5EE #9FF9F4 #D9FDFB

Accessibility & contrast

On white

1.32

#66F5EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.86

#66F5EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5EE

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5EE	#FFFFFF	#000000	##000000
##66F5EE	1.00	1.32	15.86	15.86
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.86	21.00	1.00	1.00
##000000	15.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8E9EE

Deuteranopia (green-blind)

#D1D9EF

Tritanopia (blue-blind)

#00FBF2

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66f5ee;
/* rgb */ color: rgb(102, 245, 238);
/* oklch */ color: oklch(89.1% 0.123 190.7);

Tailwind

colors: {
  custom: {
    50: '#a0f9f3',
    500: '#66f5ee',
    950: '#000000',
  },
}

SCSS

$custom: #66f5ee;
$custom-light: #a0f9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5ee",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 238
  },
  "hsl": {
    "h": 177.063,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.89089,
    "c": 0.12314,
    "h": 190.7
  },
  "luminance": 0.74303
}

Semantic roles & 50–950 ramp

primary

#66F5EE

secondary

#CE3139

accent

#010CE4

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F5EE

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

Preview Lab → · Contrast checker → · Palette generator →