#66CC50#66CC50

#66CC50 is a light, vivid green. Relative luminance 0.466; OKLCH L 75.7% C 0.188 H 140.2°. Best body text is #000000 at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#66CC50
RGB	rgb(102, 204, 80)
HSL	hsl(109, 55%, 56%)
HSV	hsv(109, 61%, 80%)
CMYK	cmyk(50%, 0%, 60.8%, 20%)
CIE-LAB	lab(73.93, -52.87, 51.57)
CIE-LCH	lch(73.93, 73.86, 135.71°)
OKLab	oklab(75.75% -0.1448 0.1205)
OKLCH	oklch(75.75% 0.188 140.2)
XYZ	xyz(28.5191, 46.5876, 15.0773)
Luminance	0.4659 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CC50 #B650CC

analogous

#A4CC50 #66CC50 #50CC78

triadic

#66CC50 #5066CC #CC5066

tetradic

#66CC50 #50A4CC #B650CC #CC7850

square

#66CC50 #50A4CC #B650CC #CC7850

split-complementary

#66CC50 #7850CC #CC50A4

monochromatic

#347D24 #48AD32 #66CC50 #8FDA7F #B9E8AF

Accessibility & contrast

On white

2.04

#66CC50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.32

#66CC50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC50

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CC50	#FFFFFF	#000000	##000000
##66CC50	1.00	2.04	10.32	10.32
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.32	21.00	1.00	1.00
##000000	10.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BB42

Deuteranopia (green-blind)

#C4B25A

Tritanopia (blue-blind)

#5CC6B2

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #66cc50;
/* rgb */ color: rgb(102, 204, 80);
/* oklch */ color: oklch(75.7% 0.188 140.2);

Tailwind

colors: {
  custom: {
    50: '#9adc85',
    500: '#66cc50',
    950: '#000000',
  },
}

SCSS

$custom: #66cc50;
$custom-light: #9adc85;
$custom-dark: #000000;

JSON

{
  "hex": "#66cc50",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 80
  },
  "hsl": {
    "h": 109.355,
    "s": 54.867,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75746,
    "c": 0.18841,
    "h": 140.2
  },
  "luminance": 0.4659
}

Semantic roles & 50–950 ramp

primary

#66CC50

secondary

#CDA2D6

accent

#4ADEC4

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0F150B

muted

#7E837C

Preview Lab

Preview with #66CC50

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

Preview Lab → · Contrast checker → · Palette generator →