#66D596#66D596

#66D596 is a light, vivid green. Relative luminance 0.526; OKLCH L 79.1% C 0.137 H 156.4°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#66D596
RGB	rgb(102, 213, 150)
HSL	hsl(146, 57%, 62%)
HSV	hsv(146, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 29.6%, 16.5%)
CIE-LAB	lab(77.65, -46.03, 21.68)
CIE-LCH	lch(77.65, 50.88, 154.78°)
OKLab	oklab(79.12% -0.1257 0.055)
OKLCH	oklch(79.12% 0.137 156.4)
XYZ	xyz(34.7760, 52.6123, 37.1708)
Luminance	0.5262 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D596 #D566A5

analogous

#6ED566 #66D596 #66D5CE

triadic

#66D596 #9666D5 #D59666

tetradic

#66D596 #666ED5 #D566A5 #D5CE66

square

#66D596 #666ED5 #D566A5 #D5CE66

split-complementary

#66D596 #CE66D5 #D5666E

monochromatic

#299759 #37C775 #66D596 #96E2B7 #C6EFD8

Accessibility & contrast

On white

1.82

#66D596 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#66D596 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D596

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D596	#FFFFFF	#000000	##000000
##66D596	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C792

Deuteranopia (green-blind)

#C4BB9A

Tritanopia (blue-blind)

#46D3C4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d596;
/* rgb */ color: rgb(102, 213, 150);
/* oklch */ color: oklch(79.1% 0.137 156.4);

Tailwind

colors: {
  custom: {
    50: '#99e2b5',
    500: '#66d596',
    950: '#000000',
  },
}

SCSS

$custom: #66d596;
$custom-light: #99e2b5;
$custom-dark: #000000;

JSON

{
  "hex": "#66d596",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 150
  },
  "hsl": {
    "h": 145.946,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.79119,
    "c": 0.13724,
    "h": 156.4
  },
  "luminance": 0.52615
}

Semantic roles & 50–950 ramp

primary

#66D596

secondary

#9C4376

accent

#217EC4

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1511

muted

#7F8481

Preview Lab

Preview with #66D596

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

Preview Lab → · Contrast checker → · Palette generator →