#66BE3E#66BE3E

#66BE3E is a light, vivid green. Relative luminance 0.400; OKLCH L 72.0% C 0.184 H 137.5°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#66BE3E
RGB	rgb(102, 190, 62)
HSL	hsl(101, 51%, 49%)
HSV	hsv(101, 67%, 75%)
CMYK	cmyk(46.3%, 0%, 67.4%, 25.5%)
CIE-LAB	lab(69.47, -49.06, 54.29)
CIE-LCH	lch(69.47, 73.17, 132.10°)
OKLab	oklab(72.04% -0.1356 0.1243)
OKLCH	oklch(72.04% 0.184 137.5)
XYZ	xyz(24.7617, 39.9979, 10.9721)
Luminance	0.4000 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BE3E #963EBE

analogous

#A6BE3E #66BE3E #3EBE56

triadic

#66BE3E #3E66BE #BE3E66

tetradic

#66BE3E #3EA6BE #963EBE #BE563E

square

#66BE3E #3EA6BE #963EBE #BE563E

split-complementary

#66BE3E #563EBE #BE3EA6

monochromatic

#346220 #4D902F #66BE3E #8ACF6B #AEDE99

Accessibility & contrast

On white

2.33

#66BE3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#66BE3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE3E

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BE3E	#FFFFFF	#000000	##000000
##66BE3E	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE2C

Deuteranopia (green-blind)

#B8A749

Tritanopia (blue-blind)

#61B7A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66be3e;
/* rgb */ color: rgb(102, 190, 62);
/* oklch */ color: oklch(72.0% 0.184 137.5);

Tailwind

colors: {
  custom: {
    50: '#99d27a',
    500: '#66be3e',
    950: '#000000',
  },
}

SCSS

$custom: #66be3e;
$custom-light: #99d27a;
$custom-dark: #000000;

JSON

{
  "hex": "#66be3e",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 62
  },
  "hsl": {
    "h": 101.25,
    "s": 50.794,
    "l": 49.412
  },
  "oklch": {
    "l": 0.72036,
    "c": 0.18397,
    "h": 137.5
  },
  "luminance": 0.39999
}

Semantic roles & 50–950 ramp

primary

#66BE3E

secondary

#B78EC9

accent

#4EDAAE

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E140A

muted

#7E837C

Preview Lab

Preview with #66BE3E

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

Preview Lab → · Contrast checker → · Palette generator →