#66BE4E#66BE4E

#66BE4E is a light, vivid green. Relative luminance 0.402; OKLCH L 72.2% C 0.172 H 139.4°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#66BE4E
RGB	rgb(102, 190, 78)
HSL	hsl(107, 46%, 53%)
HSV	hsv(107, 59%, 75%)
CMYK	cmyk(46.3%, 0%, 58.9%, 25.5%)
CIE-LAB	lab(69.61, -47.52, 47.55)
CIE-LCH	lch(69.61, 67.22, 134.98°)
OKLab	oklab(72.2% -0.1304 0.1117)
OKLCH	oklch(72.2% 0.172 139.4)
XYZ	xyz(25.2671, 40.2001, 13.6342)
Luminance	0.4020 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BE4E #A64EBE

analogous

#9EBE4E #66BE4E #4EBE6E

triadic

#66BE4E #4E66BE #BE4E66

tetradic

#66BE4E #4E9EBE #A64EBE #BE6E4E

square

#66BE4E #4E9EBE #A64EBE #BE6E4E

split-complementary

#66BE4E #6E4EBE #BE4E9E

monochromatic

#366A27 #4C9738 #66BE4E #8DCE7B #B3DFA8

Accessibility & contrast

On white

2.32

#66BE4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#66BE4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE4E

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BE4E	#FFFFFF	#000000	##000000
##66BE4E	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AF42

Deuteranopia (green-blind)

#B7A757

Tritanopia (blue-blind)

#5FB8A6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66be4e;
/* rgb */ color: rgb(102, 190, 78);
/* oklch */ color: oklch(72.2% 0.172 139.4);

Tailwind

colors: {
  custom: {
    50: '#98d283',
    500: '#66be4e',
    950: '#000000',
  },
}

SCSS

$custom: #66be4e;
$custom-light: #98d283;
$custom-dark: #000000;

JSON

{
  "hex": "#66be4e",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 78
  },
  "hsl": {
    "h": 107.143,
    "s": 46.281,
    "l": 52.549
  },
  "oklch": {
    "l": 0.722,
    "c": 0.1717,
    "h": 139.4
  },
  "luminance": 0.40202
}

Semantic roles & 50–950 ramp

primary

#66BE4E

secondary

#C29CCC

accent

#52D6BA

background

#F9FDF8

surface

#F2FAEF

border

#CCD3CA

text

#0E140B

muted

#7E837C

Preview Lab

Preview with #66BE4E

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

Preview Lab → · Contrast checker → · Palette generator →