#66F499#66F499

#66F499 is a very light, vivid green. Relative luminance 0.698; OKLCH L 86.7% C 0.177 H 152.6°. Best body text is #000000 at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#66F499
RGB	rgb(102, 244, 153)
HSL	hsl(142, 87%, 68%)
HSV	hsv(142, 58%, 96%)
CMYK	cmyk(58.2%, 0%, 37.3%, 4.3%)
CIE-LAB	lab(86.91, -58.03, 32.64)
CIE-LCH	lch(86.91, 66.58, 150.64°)
OKLab	oklab(86.72% -0.1572 0.0815)
OKLCH	oklch(86.72% 0.177 152.6)
XYZ	xyz(43.5765, 69.8219, 41.3114)
Luminance	0.6983 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F499 #F466C1

analogous

#7AF466 #66F499 #66F4E0

triadic

#66F499 #9966F4 #F49966

tetradic

#66F499 #667AF4 #F466C1 #F4E066

square

#66F499 #667AF4 #F466C1 #F4E066

split-complementary

#66F499 #E066F4 #F4667A

monochromatic

#0FD155 #2DF073 #66F499 #9FF8BF #D8FCE5

Accessibility & contrast

On white

1.40

#66F499 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.97

#66F499 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F499

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F499	#FFFFFF	#000000	##000000
##66F499	1.00	1.40	14.97	14.97
#FFFFFF	1.40	1.00	21.00	21.00
#000000	14.97	21.00	1.00	1.00
##000000	14.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4E293

Deuteranopia (green-blind)

#E1D49F

Tritanopia (blue-blind)

#39F1DD

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66f499;
/* rgb */ color: rgb(102, 244, 153);
/* oklch */ color: oklch(86.7% 0.177 152.6);

Tailwind

colors: {
  custom: {
    50: '#9df9b7',
    500: '#66f499',
    950: '#000000',
  },
}

SCSS

$custom: #66f499;
$custom-light: #9df9b7;
$custom-dark: #000000;

JSON

{
  "hex": "#66f499",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 153
  },
  "hsl": {
    "h": 141.549,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86719,
    "c": 0.17708,
    "h": 152.6
  },
  "luminance": 0.69826
}

Semantic roles & 50–950 ramp

primary

#66F499

secondary

#CC3295

accent

#0292E3

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F499

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

Preview Lab → · Contrast checker → · Palette generator →