#66D56B#66D56B

#66D56B is a light, vivid green. Relative luminance 0.515; OKLCH L 78.3% C 0.177 H 144.5°. Best body text is #000000 at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#66D56B
RGB	rgb(102, 213, 107)
HSL	hsl(123, 57%, 62%)
HSV	hsv(123, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 49.8%, 16.5%)
CIE-LAB	lab(76.96, -53.14, 42.64)
CIE-LCH	lch(76.96, 68.13, 141.26°)
OKLab	oklab(78.34% -0.1443 0.103)
OKLCH	oklch(78.34% 0.177 144.5)
XYZ	xyz(31.9258, 51.4722, 22.1598)
Luminance	0.5148 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D56B #D566D0

analogous

#99D566 #66D56B #66D5A3

triadic

#66D56B #6B66D5 #D56B66

tetradic

#66D56B #6699D5 #D566D0 #D5A366

square

#66D56B #6699D5 #D566D0 #D5A366

split-complementary

#66D56B #A366D5 #D56699

monochromatic

#29972E #37C73D #66D56B #96E299 #C6EFC8

Accessibility & contrast

On white

1.86

#66D56B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.30

#66D56B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D56B

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D56B	#FFFFFF	#000000	##000000
##66D56B	1.00	1.86	11.30	11.30
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.30	21.00	1.00	1.00
##000000	11.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C462

Deuteranopia (green-blind)

#CABA72

Tritanopia (blue-blind)

#54D0BC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d56b;
/* rgb */ color: rgb(102, 213, 107);
/* oklch */ color: oklch(78.3% 0.177 144.5);

Tailwind

colors: {
  custom: {
    50: '#9ae397',
    500: '#66d56b',
    950: '#000000',
  },
}

SCSS

$custom: #66d56b;
$custom-light: #9ae397;
$custom-dark: #000000;

JSON

{
  "hex": "#66d56b",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 107
  },
  "hsl": {
    "h": 122.703,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.78339,
    "c": 0.1773,
    "h": 144.5
  },
  "luminance": 0.51475
}

Semantic roles & 50–950 ramp

primary

#66D56B

secondary

#9C4398

accent

#21BDC4

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0F150E

muted

#80847F

Preview Lab

Preview with #66D56B

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

Preview Lab → · Contrast checker → · Palette generator →