#66CF48#66CF48

#66CF48 is a light, vivid green. Relative luminance 0.479; OKLCH L 76.4% C 0.198 H 139.4°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#66CF48
RGB	rgb(102, 207, 72)
HSL	hsl(107, 58%, 55%)
HSV	hsv(107, 65%, 81%)
CMYK	cmyk(50.7%, 0%, 65.2%, 18.8%)
CIE-LAB	lab(74.77, -54.80, 55.91)
CIE-LCH	lch(74.77, 78.29, 134.42°)
OKLab	oklab(76.42% -0.1506 0.1289)
OKLCH	oklch(76.42% 0.198 139.4)
XYZ	xyz(28.9609, 47.9161, 13.8523)
Luminance	0.4792 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF48 #B148CF

analogous

#A9CF48 #66CF48 #48CF6E

triadic

#66CF48 #4866CF #CF4866

tetradic

#66CF48 #48A9CF #B148CF #CF6E48

square

#66CF48 #48A9CF #B148CF #CF6E48

split-complementary

#66CF48 #6E48CF #CF48A9

monochromatic

#357C21 #4AAD2D #66CF48 #8FDC78 #B7E8A9

Accessibility & contrast

On white

1.98

#66CF48 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.58

#66CF48 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF48

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF48	#FFFFFF	#000000	##000000
##66CF48	1.00	1.98	10.58	10.58
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.58	21.00	1.00	1.00
##000000	10.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BE37

Deuteranopia (green-blind)

#C7B554

Tritanopia (blue-blind)

#5CC8B3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66cf48;
/* rgb */ color: rgb(102, 207, 72);
/* oklch */ color: oklch(76.4% 0.198 139.4);

Tailwind

colors: {
  custom: {
    50: '#9ade81',
    500: '#66cf48',
    950: '#000000',
  },
}

SCSS

$custom: #66cf48;
$custom-light: #9ade81;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf48",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 72
  },
  "hsl": {
    "h": 106.667,
    "s": 58.442,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76419,
    "c": 0.1982,
    "h": 139.4
  },
  "luminance": 0.47918
}

Semantic roles & 50–950 ramp

primary

#66CF48

secondary

#C99DD6

accent

#46E2BF

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66CF48

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

Preview Lab → · Contrast checker → · Palette generator →