#66CC49#66CC49

#66CC49 is a light, vivid green. Relative luminance 0.465; OKLCH L 75.7% C 0.194 H 139.4°. Best body text is #000000 at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#66CC49
RGB	rgb(102, 204, 73)
HSL	hsl(107, 56%, 54%)
HSV	hsv(107, 64%, 80%)
CMYK	cmyk(50%, 0%, 64.2%, 20%)
CIE-LAB	lab(73.86, -53.56, 54.51)
CIE-LCH	lch(73.86, 76.42, 134.50°)
OKLab	oklab(75.67% -0.1471 0.126)
OKLCH	oklch(75.67% 0.194 139.4)
XYZ	xyz(28.2738, 46.4895, 13.7855)
Luminance	0.4649 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CC49 #AF49CC

analogous

#A7CC49 #66CC49 #49CC6E

triadic

#66CC49 #4966CC #CC4966

tetradic

#66CC49 #49A7CC #AF49CC #CC6E49

square

#66CC49 #49A7CC #AF49CC #CC6E49

split-complementary

#66CC49 #6E49CC #CC49A7

monochromatic

#357922 #4AA92F #66CC49 #8ED979 #B6E7A9

Accessibility & contrast

On white

2.04

#66CC49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.30

#66CC49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC49

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CC49	#FFFFFF	#000000	##000000
##66CC49	1.00	2.04	10.30	10.30
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.30	21.00	1.00	1.00
##000000	10.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB39

Deuteranopia (green-blind)

#C4B254

Tritanopia (blue-blind)

#5DC5B1

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66cc49;
/* rgb */ color: rgb(102, 204, 73);
/* oklch */ color: oklch(75.7% 0.194 139.4);

Tailwind

colors: {
  custom: {
    50: '#9adc81',
    500: '#66cc49',
    950: '#000000',
  },
}

SCSS

$custom: #66cc49;
$custom-light: #9adc81;
$custom-dark: #000000;

JSON

{
  "hex": "#66cc49",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 73
  },
  "hsl": {
    "h": 106.718,
    "s": 56.223,
    "l": 54.314
  },
  "oklch": {
    "l": 0.75674,
    "c": 0.19373,
    "h": 139.4
  },
  "luminance": 0.46492
}

Semantic roles & 50–950 ramp

primary

#66CC49

secondary

#C89DD4

accent

#48E0BE

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66CC49

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

Preview Lab → · Contrast checker → · Palette generator →