#66CF66#66CF66

#66CF66 is a light, vivid green. Relative luminance 0.484; OKLCH L 76.8% C 0.174 H 143.7°. Best body text is #000000 at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#66CF66
RGB	rgb(102, 207, 102)
HSL	hsl(120, 52%, 61%)
HSV	hsv(120, 51%, 81%)
CMYK	cmyk(50.7%, 0%, 50.7%, 18.8%)
CIE-LAB	lab(75.08, -51.45, 42.74)
CIE-LCH	lch(75.08, 66.88, 140.28°)
OKLab	oklab(76.77% -0.1399 0.1029)
OKLCH	oklch(76.77% 0.174 143.7)
XYZ	xyz(30.1890, 48.4074, 20.3205)
Luminance	0.4841 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF66 #CF66CF

analogous

#9ACF66 #66CF66 #66CF9A

triadic

#66CF66 #6666CF #CF6666

tetradic

#66CF66 #669ACF #CF66CF #CF9A66

square

#66CF66 #669ACF #CF66CF #CF9A66

split-complementary

#66CF66 #9A66CF #CF669A

monochromatic

#2D8E2D #3BBD3B #66CF66 #95DE95 #C3ECC3

Accessibility & contrast

On white

1.97

#66CF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.68

#66CF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF66

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF66	#FFFFFF	#000000	##000000
##66CF66	1.00	1.97	10.68	10.68
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.68	21.00	1.00	1.00
##000000	10.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BF5D

Deuteranopia (green-blind)

#C5B56D

Tritanopia (blue-blind)

#57CAB7

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66cf66;
/* rgb */ color: rgb(102, 207, 102);
/* oklch */ color: oklch(76.8% 0.174 143.7);

Tailwind

colors: {
  custom: {
    50: '#99de94',
    500: '#66cf66',
    950: '#000000',
  },
}

SCSS

$custom: #66cf66;
$custom-light: #99de94;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf66",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.76773,
    "c": 0.17369,
    "h": 143.7
  },
  "luminance": 0.4841
}

Semantic roles & 50–950 ramp

primary

#66CF66

secondary

#DCB4DC

accent

#26C0C0

background

#F9FDF9

surface

#F2FBF1

border

#CCD4CB

text

#0F150D

muted

#7E837E

Preview Lab

Preview with #66CF66

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

Preview Lab → · Contrast checker → · Palette generator →