#66E563#66E563

#66E563 is a very light, highly saturated green. Relative luminance 0.598; OKLCH L 82.2% C 0.205 H 143.0°. Best body text is #000000 at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#66E563
RGB	rgb(102, 229, 99)
HSL	hsl(119, 71%, 64%)
HSV	hsv(119, 57%, 90%)
CMYK	cmyk(55.5%, 0%, 56.8%, 10.2%)
CIE-LAB	lab(81.71, -60.24, 52.08)
CIE-LCH	lch(81.71, 79.63, 139.15°)
OKLab	oklab(82.21% -0.1638 0.1233)
OKLCH	oklch(82.21% 0.205 143)
XYZ	xyz(35.7490, 59.7612, 21.4531)
Luminance	0.5976 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E563 #E263E5

analogous

#A7E563 #66E563 #63E5A1

triadic

#66E563 #6366E5 #E56366

tetradic

#66E563 #63A7E5 #E263E5 #E5A163

square

#66E563 #63A7E5 #E263E5 #E5A163

split-complementary

#66E563 #A163E5 #E563A7

monochromatic

#21B01D #33DC2F #66E563 #99EE97 #CDF6CC

Accessibility & contrast

On white

1.62

#66E563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.95

#66E563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E563

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E563	#FFFFFF	#000000	##000000
##66E563	1.00	1.62	12.95	12.95
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.95	21.00	1.00	1.00
##000000	12.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD256

Deuteranopia (green-blind)

#D9C76D

Tritanopia (blue-blind)

#52DFC8

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e563;
/* rgb */ color: rgb(102, 229, 99);
/* oklch */ color: oklch(82.2% 0.205 143.0);

Tailwind

colors: {
  custom: {
    50: '#9cee93',
    500: '#66e563',
    950: '#000000',
  },
}

SCSS

$custom: #66e563;
$custom-light: #9cee93;
$custom-dark: #000000;

JSON

{
  "hex": "#66e563",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 99
  },
  "hsl": {
    "h": 118.615,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.82208,
    "c": 0.20501,
    "h": 143
  },
  "luminance": 0.59764
}

Semantic roles & 50–950 ramp

primary

#66E563

secondary

#AE3BB1

accent

#12D3CF

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160D

muted

#80857F

Preview Lab

Preview with #66E563

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

Preview Lab → · Contrast checker → · Palette generator →