#66F552#66F552

#66F552 is a very light, highly saturated green. Relative luminance 0.687; OKLCH L 86.0% C 0.237 H 141.3°. Best body text is #000000 at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#66F552
RGB	rgb(102, 245, 82)
HSL	hsl(113, 89%, 64%)
HSV	hsv(113, 67%, 96%)
CMYK	cmyk(58.4%, 0%, 66.5%, 3.9%)
CIE-LAB	lab(86.37, -67.65, 64.43)
CIE-LCH	lch(86.37, 93.43, 136.40°)
OKLab	oklab(86.01% -0.1848 0.148)
OKLCH	oklch(86.01% 0.237 141.3)
XYZ	xyz(39.6529, 68.7352, 19.1586)
Luminance	0.6874 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F552 #E152F5

analogous

#B8F552 #66F552 #52F590

triadic

#66F552 #5266F5 #F55266

tetradic

#66F552 #52B8F5 #E152F5 #F59052

square

#66F552 #52B8F5 #E152F5 #F59052

split-complementary

#66F552 #9052F5 #F552B8

monochromatic

#22C10B #33F218 #66F552 #99F88C #CCFCC6

Accessibility & contrast

On white

1.42

#66F552 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.75

#66F552 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F552

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F552	#FFFFFF	#000000	##000000
##66F552	1.00	1.42	14.75	14.75
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.75	21.00	1.00	1.00
##000000	14.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBDF3B

Deuteranopia (green-blind)

#E9D461

Tritanopia (blue-blind)

#51EED4

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66f552;
/* rgb */ color: rgb(102, 245, 82);
/* oklch */ color: oklch(86.0% 0.237 141.3);

Tailwind

colors: {
  custom: {
    50: '#9ff98a',
    500: '#66f552',
    950: '#000000',
  },
}

SCSS

$custom: #66f552;
$custom-light: #9ff98a;
$custom-dark: #000000;

JSON

{
  "hex": "#66f552",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 82
  },
  "hsl": {
    "h": 112.638,
    "s": 89.071,
    "l": 64.118
  },
  "oklch": {
    "l": 0.86005,
    "c": 0.23673,
    "h": 141.3
  },
  "luminance": 0.68739
}

Semantic roles & 50–950 ramp

primary

#66F552

secondary

#AD2CBF

accent

#00E6C9

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170C

muted

#81857F

Preview Lab

Preview with #66F552

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

Preview Lab → · Contrast checker → · Palette generator →