#66CD50#66CD50

#66CD50 is a light, vivid green. Relative luminance 0.471; OKLCH L 76.0% C 0.190 H 140.3°. Best body text is #000000 at 10.41:1 contrast (WCAG AA passes).

Color values

HEX#66CD50
RGBrgb(102, 205, 80)
HSLhsl(109, 56%, 56%)
HSVhsv(109, 61%, 80%)
CMYKcmyk(50.2%, 0%, 61%, 19.6%)
CIE-LABlab(74.23, -53.26, 51.92)
CIE-LCHlch(74.23, 74.38, 135.73°)
OKLaboklab(76% -0.1459 0.1212)
OKLCHoklch(76% 0.19 140.3)
XYZxyz(28.7576, 47.0645, 15.1568)
Luminance0.4707 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CD50 #B750CD
analogous
#A4CD50 #66CD50 #50CD78
triadic
#66CD50 #5066CD #CD5066
tetradic
#66CD50 #50A4CD #B750CD #CD7850
square
#66CD50 #50A4CD #B750CD #CD7850
split-complementary
#66CD50 #7850CD #CD50A4
monochromatic
#347E24 #48AE32 #66CD50 #90DB80 #B9E8AF

Accessibility & contrast

On white

2.02
#66CD50 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.41
#66CD50 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD50
10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CD50#FFFFFF#000000##000000
##66CD501.002.0210.4110.41
#FFFFFF2.021.0021.0021.00
#00000010.4121.001.001.00
##00000010.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BC42
Deuteranopia (green-blind)
#C5B35A
Tritanopia (blue-blind)
#5BC7B2
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #66cd50;
/* rgb */ color: rgb(102, 205, 80);
/* oklch */ color: oklch(76.0% 0.190 140.3);
Tailwind
colors: {
  custom: {
    50: '#9add85',
    500: '#66cd50',
    950: '#000000',
  },
}
SCSS
$custom: #66cd50;
$custom-light: #9add85;
$custom-dark: #000000;
JSON
{
  "hex": "#66cd50",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 80
  },
  "hsl": {
    "h": 109.44,
    "s": 55.556,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75997,
    "c": 0.18969,
    "h": 140.3
  },
  "luminance": 0.47067
}

Semantic roles & 50–950 ramp

primary
#66CD50
secondary
#CDA2D6
accent
#49DFC4
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0F150B
muted
#7E837C

Preview Lab

Preview with #66CD50

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

Preview Lab → · Contrast checker → · Palette generator →

#66CD50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva