#66F55C#66F55C

#66F55C is a very light, highly saturated green. Relative luminance 0.689; OKLCH L 86.1% C 0.230 H 142.2°. Best body text is #000000 at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#66F55C
RGB	rgb(102, 245, 92)
HSL	hsl(116, 88%, 66%)
HSV	hsv(116, 62%, 96%)
CMYK	cmyk(58.4%, 0%, 62.4%, 3.9%)
CIE-LAB	lab(86.45, -66.72, 60.52)
CIE-LCH	lch(86.45, 90.08, 137.79°)
OKLab	oklab(86.1% -0.1818 0.1407)
OKLCH	oklch(86.1% 0.23 142.2)
XYZ	xyz(40.0616, 68.8986, 21.3107)
Luminance	0.6890 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F55C #EB5CF5

analogous

#B3F55C #66F55C #5CF59E

triadic

#66F55C #5C66F5 #F55C66

tetradic

#66F55C #5CB3F5 #EB5CF5 #F59E5C

square

#66F55C #5CB3F5 #EB5CF5 #F59E5C

split-complementary

#66F55C #9E5CF5 #F55CB3

monochromatic

#19CA0C #30F122 #66F55C #9CF996 #D2FCCF

Accessibility & contrast

On white

1.42

#66F55C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.78

#66F55C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F55C

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F55C	#FFFFFF	#000000	##000000
##66F55C	1.00	1.42	14.78	14.78
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.78	21.00	1.00	1.00
##000000	14.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE04A

Deuteranopia (green-blind)

#E8D469

Tritanopia (blue-blind)

#4FEED5

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66f55c;
/* rgb */ color: rgb(102, 245, 92);
/* oklch */ color: oklch(86.1% 0.230 142.2);

Tailwind

colors: {
  custom: {
    50: '#9ff990',
    500: '#66f55c',
    950: '#000000',
  },
}

SCSS

$custom: #66f55c;
$custom-light: #9ff990;
$custom-dark: #000000;

JSON

{
  "hex": "#66f55c",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 92
  },
  "hsl": {
    "h": 116.078,
    "s": 88.439,
    "l": 66.078
  },
  "oklch": {
    "l": 0.86098,
    "c": 0.22989,
    "h": 142.2
  },
  "luminance": 0.68902
}

Semantic roles & 50–950 ramp

primary

#66F55C

secondary

#BD2FC6

accent

#00E5D6

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170D

muted

#81857F

Preview Lab

Preview with #66F55C

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

Preview Lab → · Contrast checker → · Palette generator →