#66CE99#66CE99

#66CE99 is a light, vivid green. Relative luminance 0.493; OKLCH L 77.5% C 0.125 H 159.3°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#66CE99
RGB	rgb(102, 206, 153)
HSL	hsl(149, 51%, 60%)
HSV	hsv(149, 50%, 81%)
CMYK	cmyk(50.5%, 0%, 25.7%, 19.2%)
CIE-LAB	lab(75.62, -42.42, 17.29)
CIE-LCH	lch(75.62, 45.81, 157.83°)
OKLab	oklab(77.48% -0.1166 0.0441)
OKLCH	oklch(77.48% 0.125 159.3)
XYZ	xyz(33.2978, 49.2645, 37.8851)
Luminance	0.4927 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CE99 #CE669B

analogous

#67CE66 #66CE99 #66CECD

triadic

#66CE99 #9966CE #CE9966

tetradic

#66CE99 #6667CE #CE669B #CECD66

square

#66CE99 #6667CE #CE669B #CECD66

split-complementary

#66CE99 #CD66CE #CE6667

monochromatic

#2D8D5C #3CBB7A #66CE99 #94DDB8 #C3ECD7

Accessibility & contrast

On white

1.93

#66CE99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.85

#66CE99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CE99

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CE99	#FFFFFF	#000000	##000000
##66CE99	1.00	1.93	10.85	10.85
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.85	21.00	1.00	1.00
##000000	10.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCC196

Deuteranopia (green-blind)

#BDB69C

Tritanopia (blue-blind)

#47CDC0

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66ce99;
/* rgb */ color: rgb(102, 206, 153);
/* oklch */ color: oklch(77.5% 0.125 159.3);

Tailwind

colors: {
  custom: {
    50: '#98ddb7',
    500: '#66ce99',
    950: '#000000',
  },
}

SCSS

$custom: #66ce99;
$custom-light: #98ddb7;
$custom-dark: #000000;

JSON

{
  "hex": "#66ce99",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 153
  },
  "hsl": {
    "h": 149.423,
    "s": 51.485,
    "l": 60.392
  },
  "oklch": {
    "l": 0.77484,
    "c": 0.12467,
    "h": 159.3
  },
  "luminance": 0.49267
}

Semantic roles & 50–950 ramp

primary

#66CE99

secondary

#DCB4C8

accent

#2774BF

background

#F9FDFB

surface

#F2FBF6

border

#CCD4D0

text

#0E1511

muted

#7E8380

Preview Lab

Preview with #66CE99

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

Preview Lab → · Contrast checker → · Palette generator →