#66CC64#66CC64

#66CC64 is a light, vivid green. Relative luminance 0.469; OKLCH L 76.0% C 0.171 H 143.3°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#66CC64
RGB	rgb(102, 204, 100)
HSL	hsl(119, 50%, 60%)
HSV	hsv(119, 51%, 80%)
CMYK	cmyk(50%, 0%, 51%, 20%)
CIE-LAB	lab(74.14, -50.51, 42.56)
CIE-LCH	lch(74.14, 66.06, 139.88°)
OKLab	oklab(76% -0.1374 0.1024)
OKLCH	oklch(76% 0.171 143.3)
XYZ	xyz(29.3711, 46.9284, 19.5645)
Luminance	0.4693 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CC64 #CA64CC

analogous

#9ACC64 #66CC64 #64CC96

triadic

#66CC64 #6466CC #CC6466

tetradic

#66CC64 #649ACC #CA64CC #CC9664

square

#66CC64 #649ACC #CA64CC #CC9664

split-complementary

#66CC64 #9664CC #CC649A

monochromatic

#2F892D #3EB73C #66CC64 #93DB92 #C1EAC0

Accessibility & contrast

On white

2.02

#66CC64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#66CC64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC64

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CC64	#FFFFFF	#000000	##000000
##66CC64	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BC5B

Deuteranopia (green-blind)

#C2B36B

Tritanopia (blue-blind)

#58C7B4

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #66cc64;
/* rgb */ color: rgb(102, 204, 100);
/* oklch */ color: oklch(76.0% 0.171 143.3);

Tailwind

colors: {
  custom: {
    50: '#99dc92',
    500: '#66cc64',
    950: '#000000',
  },
}

SCSS

$custom: #66cc64;
$custom-light: #99dc92;
$custom-dark: #000000;

JSON

{
  "hex": "#66cc64",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 100
  },
  "hsl": {
    "h": 118.846,
    "s": 50.485,
    "l": 59.608
  },
  "oklch": {
    "l": 0.75996,
    "c": 0.17141,
    "h": 143.3
  },
  "luminance": 0.46931
}

Semantic roles & 50–950 ramp

primary

#66CC64

secondary

#D9B2DA

accent

#4EDAD7

background

#F9FDF9

surface

#F2FBF1

border

#CCD4CB

text

#0E150D

muted

#7E837E

Preview Lab

Preview with #66CC64

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

Preview Lab → · Contrast checker → · Palette generator →