#66D592#66D592

#66D592 is a light, vivid green. Relative luminance 0.525; OKLCH L 79.0% C 0.141 H 154.9°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#66D592
RGB	rgb(102, 213, 146)
HSL	hsl(144, 57%, 62%)
HSV	hsv(144, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 31.5%, 16.5%)
CIE-LAB	lab(77.57, -46.79, 23.67)
CIE-LCH	lch(77.57, 52.44, 153.17°)
OKLab	oklab(79.03% -0.1275 0.0598)
OKLCH	oklch(79.03% 0.141 154.9)
XYZ	xyz(34.4594, 52.4857, 35.5034)
Luminance	0.5249 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D592 #D566A9

analogous

#72D566 #66D592 #66D5CA

triadic

#66D592 #9266D5 #D59266

tetradic

#66D592 #6672D5 #D566A9 #D5CA66

square

#66D592 #6672D5 #D566A9 #D5CA66

split-complementary

#66D592 #CA66D5 #D56672

monochromatic

#299755 #37C770 #66D592 #96E2B4 #C6EFD6

Accessibility & contrast

On white

1.83

#66D592 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#66D592 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D592

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D592	#FFFFFF	#000000	##000000
##66D592	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C68E

Deuteranopia (green-blind)

#C5BB96

Tritanopia (blue-blind)

#48D3C3

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d592;
/* rgb */ color: rgb(102, 213, 146);
/* oklch */ color: oklch(79.0% 0.141 154.9);

Tailwind

colors: {
  custom: {
    50: '#99e2b2',
    500: '#66d592',
    950: '#000000',
  },
}

SCSS

$custom: #66d592;
$custom-light: #99e2b2;
$custom-dark: #000000;

JSON

{
  "hex": "#66d592",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 146
  },
  "hsl": {
    "h": 143.784,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.79033,
    "c": 0.14088,
    "h": 154.9
  },
  "luminance": 0.52489
}

Semantic roles & 50–950 ramp

primary

#66D592

secondary

#9C4379

accent

#2184C4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1511

muted

#7F8481

Preview Lab

Preview with #66D592

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

Preview Lab → · Contrast checker → · Palette generator →