#66DA63#66DA63

#66DA63 is a light, vivid green. Relative luminance 0.539; OKLCH L 79.5% C 0.191 H 143.1°. Best body text is #000000 at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#66DA63
RGB	rgb(102, 218, 99)
HSL	hsl(118, 62%, 62%)
HSV	hsv(118, 55%, 85%)
CMYK	cmyk(53.2%, 0%, 54.6%, 14.5%)
CIE-LAB	lab(78.38, -56.11, 48.16)
CIE-LCH	lch(78.38, 73.94, 139.36°)
OKLab	oklab(79.47% -0.1526 0.1147)
OKLCH	oklch(79.47% 0.191 143.1)
XYZ	xyz(32.8013, 53.8657, 20.4706)
Luminance	0.5387 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA63 #D763DA

analogous

#A2DA63 #66DA63 #63DA9B

triadic

#66DA63 #6366DA #DA6366

tetradic

#66DA63 #63A2DA #D763DA #DA9B63

square

#66DA63 #63A2DA #D763DA #DA9B63

split-complementary

#66DA63 #9B63DA #DA63A2

monochromatic

#289D25 #35CE32 #66DA63 #97E694 #C7F1C6

Accessibility & contrast

On white

1.78

#66DA63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.77

#66DA63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA63

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA63	#FFFFFF	#000000	##000000
##66DA63	1.00	1.78	11.77	11.77
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.77	21.00	1.00	1.00
##000000	11.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC858

Deuteranopia (green-blind)

#CFBE6C

Tritanopia (blue-blind)

#55D4BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66da63;
/* rgb */ color: rgb(102, 218, 99);
/* oklch */ color: oklch(79.5% 0.191 143.1);

Tailwind

colors: {
  custom: {
    50: '#9be692',
    500: '#66da63',
    950: '#000000',
  },
}

SCSS

$custom: #66da63;
$custom-light: #9be692;
$custom-dark: #000000;

JSON

{
  "hex": "#66da63",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 99
  },
  "hsl": {
    "h": 118.487,
    "s": 61.658,
    "l": 62.157
  },
  "oklch": {
    "l": 0.79473,
    "c": 0.19093,
    "h": 143.1
  },
  "luminance": 0.53868
}

Semantic roles & 50–950 ramp

primary

#66DA63

secondary

#9F40A1

accent

#1CC9C5

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160D

muted

#80847F

Preview Lab

Preview with #66DA63

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

Preview Lab → · Contrast checker → · Palette generator →