#66E166#66E166

#66E166 is a light, vivid green. Relative luminance 0.576; OKLCH L 81.3% C 0.197 H 143.5°. Best body text is #000000 at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#66E166
RGB	rgb(102, 225, 102)
HSL	hsl(120, 67%, 64%)
HSV	hsv(120, 55%, 88%)
CMYK	cmyk(54.7%, 0%, 54.7%, 11.8%)
CIE-LAB	lab(80.53, -58.39, 49.33)
CIE-LCH	lch(80.53, 76.44, 139.81°)
OKLab	oklab(81.25% -0.1587 0.1175)
OKLCH	oklch(81.25% 0.197 143.5)
XYZ	xyz(34.8011, 57.6316, 21.8579)
Luminance	0.5764 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E166 #E166E1

analogous

#A4E166 #66E166 #66E1A4

triadic

#66E166 #6666E1 #E16666

tetradic

#66E166 #66A4E1 #E166E1 #E1A466

square

#66E166 #66A4E1 #E166E1 #E1A466

split-complementary

#66E166 #A466E1 #E166A4

monochromatic

#22AB22 #33D733 #66E166 #99EB99 #CCF5CC

Accessibility & contrast

On white

1.68

#66E166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.53

#66E166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E166

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E166	#FFFFFF	#000000	##000000
##66E166	1.00	1.68	12.53	12.53
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.53	21.00	1.00	1.00
##000000	12.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CE5A

Deuteranopia (green-blind)

#D5C46F

Tritanopia (blue-blind)

#52DBC6

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #66e166;
/* rgb */ color: rgb(102, 225, 102);
/* oklch */ color: oklch(81.3% 0.197 143.5);

Tailwind

colors: {
  custom: {
    50: '#9ceb95',
    500: '#66e166',
    950: '#000000',
  },
}

SCSS

$custom: #66e166;
$custom-light: #9ceb95;
$custom-dark: #000000;

JSON

{
  "hex": "#66e166",
  "rgb": {
    "r": 102,
    "g": 225,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 67.213,
    "l": 64.118
  },
  "oklch": {
    "l": 0.81252,
    "c": 0.19745,
    "h": 143.5
  },
  "luminance": 0.57635
}

Semantic roles & 50–950 ramp

primary

#66E166

secondary

#AD3EAD

accent

#16CFCF

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0F160D

muted

#80857F

Preview Lab

Preview with #66E166

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

Preview Lab → · Contrast checker → · Palette generator →