#66FB6C#66FB6C

#66FB6C is a very light, highly saturated green. Relative luminance 0.729; OKLCH L 87.8% C 0.225 H 144.0°. Best body text is #000000 at 15.58:1 contrast (WCAG AA passes).

Color values

HEX	#66FB6C
RGB	rgb(102, 251, 108)
HSL	hsl(122, 95%, 69%)
HSV	hsv(122, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 57%, 1.6%)
CIE-LAB	lab(88.40, -67.11, 55.91)
CIE-LCH	lch(88.40, 87.35, 140.20°)
OKLab	oklab(87.75% -0.1821 0.1322)
OKLCH	oklch(87.75% 0.225 144)
XYZ	xyz(42.6810, 72.8978, 26.0059)
Luminance	0.7290 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB6C #FB66F5

analogous

#ABFB66 #66FB6C #66FBB7

triadic

#66FB6C #6C66FB #FB6C66

tetradic

#66FB6C #66ABFB #FB66F5 #FBB766

square

#66FB6C #66ABFB #FB66F5 #FBB766

split-complementary

#66FB6C #B766FB #FB66AB

monochromatic

#06E10F #2AF933 #66FB6C #A2FDA5 #DDFEDF

Accessibility & contrast

On white

1.35

#66FB6C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.58

#66FB6C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB6C

15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB6C	#FFFFFF	#000000	##000000
##66FB6C	1.00	1.35	15.58	15.58
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.58	21.00	1.00	1.00
##000000	15.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE65E

Deuteranopia (green-blind)

#EDD977

Tritanopia (blue-blind)

#49F5DC

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66fb6c;
/* rgb */ color: rgb(102, 251, 108);
/* oklch */ color: oklch(87.8% 0.225 144.0);

Tailwind

colors: {
  custom: {
    50: '#9ffe9a',
    500: '#66fb6c',
    950: '#000000',
  },
}

SCSS

$custom: #66fb6c;
$custom-light: #9ffe9a;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb6c",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 108
  },
  "hsl": {
    "h": 122.416,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.87752,
    "c": 0.22503,
    "h": 144
  },
  "luminance": 0.72902
}

Semantic roles & 50–950 ramp

primary

#66FB6C

secondary

#D530CF

accent

#00DCE6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66FB6C

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

Preview Lab → · Contrast checker → · Palette generator →