#66CC8A#66CC8A

#66CC8A is a light, vivid green. Relative luminance 0.478; OKLCH L 76.7% C 0.135 H 153.4°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#66CC8A
RGB	rgb(102, 204, 138)
HSL	hsl(141, 50%, 60%)
HSV	hsv(141, 50%, 80%)
CMYK	cmyk(50%, 0%, 32.4%, 20%)
CIE-LAB	lab(74.73, -44.47, 24.00)
CIE-LCH	lch(74.73, 50.53, 151.64°)
OKLab	oklab(76.66% -0.1211 0.0605)
OKLCH	oklch(76.66% 0.135 153.4)
XYZ	xyz(31.6575, 47.8429, 31.6062)
Luminance	0.4784 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CC8A #CC66A8

analogous

#75CC66 #66CC8A #66CCBD

triadic

#66CC8A #8A66CC #CC8A66

tetradic

#66CC8A #6675CC #CC66A8 #CCBD66

square

#66CC8A #6675CC #CC66A8 #CCBD66

split-complementary

#66CC8A #BD66CC #CC6675

monochromatic

#2E8A4E #3DB868 #66CC8A #94DBAD #C2EBD0

Accessibility & contrast

On white

1.99

#66CC8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#66CC8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC8A

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CC8A	#FFFFFF	#000000	##000000
##66CC8A	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCBE86

Deuteranopia (green-blind)

#BDB48E

Tritanopia (blue-blind)

#4DCABB

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66cc8a;
/* rgb */ color: rgb(102, 204, 138);
/* oklch */ color: oklch(76.7% 0.135 153.4);

Tailwind

colors: {
  custom: {
    50: '#98dcac',
    500: '#66cc8a',
    950: '#000000',
  },
}

SCSS

$custom: #66cc8a;
$custom-light: #98dcac;
$custom-dark: #000000;

JSON

{
  "hex": "#66cc8a",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 138
  },
  "hsl": {
    "h": 141.176,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.76663,
    "c": 0.13543,
    "h": 153.4
  },
  "luminance": 0.47845
}

Semantic roles & 50–950 ramp

primary

#66CC8A

secondary

#DBB3CD

accent

#4EA8DA

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0E1510

muted

#7E837F

Preview Lab

Preview with #66CC8A

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

Preview Lab → · Contrast checker → · Palette generator →