#66F966#66F966

#66F966 is a very light, highly saturated green. Relative luminance 0.715; OKLCH L 87.2% C 0.227 H 143.3°. Best body text is #000000 at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#66F966
RGB	rgb(102, 249, 102)
HSL	hsl(120, 92%, 69%)
HSV	hsv(120, 59%, 98%)
CMYK	cmyk(59%, 0%, 59%, 2.4%)
CIE-LAB	lab(87.74, -67.08, 57.76)
CIE-LCH	lch(87.74, 88.52, 139.27°)
OKLab	oklab(87.19% -0.1822 0.1358)
OKLCH	oklch(87.19% 0.227 143.3)
XYZ	xyz(41.7511, 71.5316, 24.1746)
Luminance	0.7154 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F966 #F966F9

analogous

#B0F966 #66F966 #66F9B0

triadic

#66F966 #6666F9 #F96666

tetradic

#66F966 #66B0F9 #F966F9 #F9B066

square

#66F966 #66B0F9 #F966F9 #F9B066

split-complementary

#66F966 #B066F9 #F966B0

monochromatic

#09DC09 #2BF72B #66F966 #A1FBA1 #DCFEDC

Accessibility & contrast

On white

1.37

#66F966 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.31

#66F966 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F966

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F966	#FFFFFF	#000000	##000000
##66F966	1.00	1.37	15.31	15.31
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.31	21.00	1.00	1.00
##000000	15.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE456

Deuteranopia (green-blind)

#EBD772

Tritanopia (blue-blind)

#4BF2D9

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f966;
/* rgb */ color: rgb(102, 249, 102);
/* oklch */ color: oklch(87.2% 0.227 143.3);

Tailwind

colors: {
  custom: {
    50: '#9ffc96',
    500: '#66f966',
    950: '#000000',
  },
}

SCSS

$custom: #66f966;
$custom-light: #9ffc96;
$custom-dark: #000000;

JSON

{
  "hex": "#66f966",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87191,
    "c": 0.22725,
    "h": 143.3
  },
  "luminance": 0.71535
}

Semantic roles & 50–950 ramp

primary

#66F966

secondary

#D330D3

accent

#00E5E6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66F966

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

Preview Lab → · Contrast checker → · Palette generator →