#66E56A#66E56A

#66E56A is a very light, vivid green. Relative luminance 0.599; OKLCH L 82.3% C 0.199 H 144.0°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#66E56A
RGB	rgb(102, 229, 106)
HSL	hsl(122, 71%, 65%)
HSV	hsv(122, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 53.7%, 10.2%)
CIE-LAB	lab(81.78, -59.39, 48.98)
CIE-LCH	lch(81.78, 76.98, 140.49°)
OKLab	oklab(82.3% -0.1613 0.117)
OKLCH	oklch(82.3% 0.199 144)
XYZ	xyz(36.0983, 59.9009, 23.2926)
Luminance	0.5990 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E56A #E566E1

analogous

#A1E566 #66E56A #66E5AA

triadic

#66E56A #6A66E5 #E56A66

tetradic

#66E56A #66A1E5 #E566E1 #E5AA66

square

#66E56A #66A1E5 #E566E1 #E5AA66

split-complementary

#66E56A #AA66E5 #E566A1

monochromatic

#1EB223 #32DC37 #66E56A #9AEE9D #CFF7D0

Accessibility & contrast

On white

1.62

#66E56A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.98

#66E56A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E56A

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E56A	#FFFFFF	#000000	##000000
##66E56A	1.00	1.62	12.98	12.98
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.98	21.00	1.00	1.00
##000000	12.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D25F

Deuteranopia (green-blind)

#D9C773

Tritanopia (blue-blind)

#50DFC9

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e56a;
/* rgb */ color: rgb(102, 229, 106);
/* oklch */ color: oklch(82.3% 0.199 144.0);

Tailwind

colors: {
  custom: {
    50: '#9cee97',
    500: '#66e56a',
    950: '#000000',
  },
}

SCSS

$custom: #66e56a;
$custom-light: #9cee97;
$custom-dark: #000000;

JSON

{
  "hex": "#66e56a",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 106
  },
  "hsl": {
    "h": 121.89,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.82296,
    "c": 0.19922,
    "h": 144
  },
  "luminance": 0.59904
}

Semantic roles & 50–950 ramp

primary

#66E56A

secondary

#B33CAF

accent

#13CDD3

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F160E

muted

#80857F

Preview Lab

Preview with #66E56A

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

Preview Lab → · Contrast checker → · Palette generator →