#66CD49#66CD49

#66CD49 is a light, vivid green. Relative luminance 0.470; OKLCH L 75.9% C 0.195 H 139.5°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#66CD49
RGB	rgb(102, 205, 73)
HSL	hsl(107, 57%, 55%)
HSV	hsv(107, 64%, 80%)
CMYK	cmyk(50.2%, 0%, 64.4%, 19.6%)
CIE-LAB	lab(74.17, -53.95, 54.84)
CIE-LCH	lch(74.17, 76.93, 134.53°)
OKLab	oklab(75.93% -0.1482 0.1267)
OKLCH	oklch(75.93% 0.195 139.5)
XYZ	xyz(28.5123, 46.9663, 13.8650)
Luminance	0.4697 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CD49 #B049CD

analogous

#A8CD49 #66CD49 #49CD6E

triadic

#66CD49 #4966CD #CD4966

tetradic

#66CD49 #49A8CD #B049CD #CD6E49

square

#66CD49 #49A8CD #B049CD #CD6E49

split-complementary

#66CD49 #6E49CD #CD49A8

monochromatic

#357A22 #4AAA2F #66CD49 #8EDA79 #B7E7A9

Accessibility & contrast

On white

2.02

#66CD49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#66CD49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD49

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CD49	#FFFFFF	#000000	##000000
##66CD49	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC38

Deuteranopia (green-blind)

#C5B354

Tritanopia (blue-blind)

#5CC6B2

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #66cd49;
/* rgb */ color: rgb(102, 205, 73);
/* oklch */ color: oklch(75.9% 0.195 139.5);

Tailwind

colors: {
  custom: {
    50: '#9add81',
    500: '#66cd49',
    950: '#000000',
  },
}

SCSS

$custom: #66cd49;
$custom-light: #9add81;
$custom-dark: #000000;

JSON

{
  "hex": "#66cd49",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 73
  },
  "hsl": {
    "h": 106.818,
    "s": 56.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.75926,
    "c": 0.19498,
    "h": 139.5
  },
  "luminance": 0.46968
}

Semantic roles & 50–950 ramp

primary

#66CD49

secondary

#C99DD5

accent

#48E0BF

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66CD49

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

Preview Lab → · Contrast checker → · Palette generator →