#66CC99#66CC99

#66CC99 is a light, vivid teal. Relative luminance 0.483; OKLCH L 77.0% C 0.122 H 159.8°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#66CC99
RGB	rgb(102, 204, 153)
HSL	hsl(150, 50%, 60%)
HSV	hsv(150, 50%, 80%)
CMYK	cmyk(50%, 0%, 25%, 20%)
CIE-LAB	lab(75.02, -41.54, 16.46)
CIE-LCH	lch(75.02, 44.68, 158.39°)
OKLab	oklab(77% -0.1143 0.042)
OKLCH	oklch(77% 0.122 159.8)
XYZ	xyz(32.8194, 48.3077, 37.7257)
Luminance	0.4831 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CC99 #CC6699

analogous

#66CC66 #66CC99 #66CCCC

triadic

#66CC99 #9966CC #CC9966

tetradic

#66CC99 #6666CC #CC6699 #CCCC66

square

#66CC99 #6666CC #CC6699 #CCCC66

split-complementary

#66CC99 #CC66CC #CC6666

monochromatic

#2E8A5C #3DB87A #66CC99 #94DBB8 #C2EBD6

Accessibility & contrast

On white

1.97

#66CC99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.66

#66CC99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC99

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CC99	#FFFFFF	#000000	##000000
##66CC99	1.00	1.97	10.66	10.66
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.66	21.00	1.00	1.00
##000000	10.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CABF96

Deuteranopia (green-blind)

#BBB49C

Tritanopia (blue-blind)

#47CBBE

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66cc99;
/* rgb */ color: rgb(102, 204, 153);
/* oklch */ color: oklch(77.0% 0.122 159.8);

Tailwind

colors: {
  custom: {
    50: '#98dcb7',
    500: '#66cc99',
    950: '#000000',
  },
}

SCSS

$custom: #66cc99;
$custom-light: #98dcb7;
$custom-dark: #000000;

JSON

{
  "hex": "#66cc99",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 153
  },
  "hsl": {
    "h": 150,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.76998,
    "c": 0.12183,
    "h": 159.8
  },
  "luminance": 0.4831
}

Semantic roles & 50–950 ramp

primary

#66CC99

secondary

#DBB3C7

accent

#4E94DA

background

#F9FDFB

surface

#F2FBF6

border

#CCD4D0

text

#0E1511

muted

#7E8380

Preview Lab

Preview with #66CC99

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

Preview Lab → · Contrast checker → · Palette generator →