#66BE3D#66BE3D

#66BE3D is a light, vivid green. Relative luminance 0.400; OKLCH L 72.0% C 0.185 H 137.4°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#66BE3D
RGB	rgb(102, 190, 61)
HSL	hsl(101, 51%, 49%)
HSV	hsv(101, 68%, 75%)
CMYK	cmyk(46.3%, 0%, 67.9%, 25.5%)
CIE-LAB	lab(69.46, -49.14, 54.68)
CIE-LCH	lch(69.46, 73.52, 131.95°)
OKLab	oklab(72.03% -0.1359 0.125)
OKLCH	oklch(72.03% 0.185 137.4)
XYZ	xyz(24.7345, 39.9870, 10.8289)
Luminance	0.3999 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BE3D #953DBE

analogous

#A7BE3D #66BE3D #3DBE55

triadic

#66BE3D #3D66BE #BE3D66

tetradic

#66BE3D #3DA7BE #953DBE #BE553D

square

#66BE3D #3DA7BE #953DBE #BE553D

split-complementary

#66BE3D #553DBE #BE3DA7

monochromatic

#34611F #4D902E #66BE3D #8ACF69 #AEDE98

Accessibility & contrast

On white

2.33

#66BE3D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#66BE3D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE3D

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BE3D	#FFFFFF	#000000	##000000
##66BE3D	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)

#C4AE2B

Deuteranopia (green-blind)

#B8A749

Tritanopia (blue-blind)

#61B7A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66be3d;
/* rgb */ color: rgb(102, 190, 61);
/* oklch */ color: oklch(72.0% 0.185 137.4);

Tailwind

colors: {
  custom: {
    50: '#99d279',
    500: '#66be3d',
    950: '#000000',
  },
}

SCSS

$custom: #66be3d;
$custom-light: #99d279;
$custom-dark: #000000;

JSON

{
  "hex": "#66be3d",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 61
  },
  "hsl": {
    "h": 100.93,
    "s": 51.394,
    "l": 49.216
  },
  "oklch": {
    "l": 0.72027,
    "c": 0.18466,
    "h": 137.4
  },
  "luminance": 0.39989
}

Semantic roles & 50–950 ramp

primary

#66BE3D

secondary

#B68DC9

accent

#4DDBAE

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #66BE3D

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

Preview Lab → · Contrast checker → · Palette generator →