#66EC61#66EC61

#66EC61 is a very light, highly saturated green. Relative luminance 0.637; OKLCH L 83.9% C 0.215 H 142.8°. Best body text is #000000 at 13.74:1 contrast (WCAG AA passes).

Color values

HEX#66EC61
RGBrgb(102, 236, 97)
HSLhsl(118, 79%, 65%)
HSVhsv(118, 59%, 93%)
CMYKcmyk(56.8%, 0%, 58.9%, 7.5%)
CIE-LABlab(83.80, -63.01, 55.39)
CIE-LCHlch(83.80, 83.90, 138.68°)
OKLaboklab(83.92% -0.1714 0.1302)
OKLCHoklch(83.92% 0.215 142.8)
XYZxyz(37.6306, 63.6754, 21.6145)
Luminance0.6368 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EC61 #E761EC
analogous
#ABEC61 #66EC61 #61ECA2
triadic
#66EC61 #6166EC #EC6166
tetradic
#66EC61 #61ABEC #E761EC #ECA261
square
#66EC61 #61ABEC #E761EC #ECA261
split-complementary
#66EC61 #A261EC #EC61AB
monochromatic
#1DBC17 #31E52A #66EC61 #9BF398 #D0F9CE

Accessibility & contrast

On white

1.53
#66EC61 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.74
#66EC61 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC61
13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EC61#FFFFFF#000000##000000
##66EC611.001.5313.7413.74
#FFFFFF1.531.0021.0021.00
#00000013.7421.001.001.00
##00000013.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#F1D852
Deuteranopia (green-blind)
#E0CC6C
Tritanopia (blue-blind)
#50E6CE
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #66ec61;
/* rgb */ color: rgb(102, 236, 97);
/* oklch */ color: oklch(83.9% 0.215 142.8);
Tailwind
colors: {
  custom: {
    50: '#9df392',
    500: '#66ec61',
    950: '#000000',
  },
}
SCSS
$custom: #66ec61;
$custom-light: #9df392;
$custom-dark: #000000;
JSON
{
  "hex": "#66ec61",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 97
  },
  "hsl": {
    "h": 117.842,
    "s": 78.531,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83922,
    "c": 0.2153,
    "h": 142.8
  },
  "luminance": 0.63679
}

Semantic roles & 50–950 ramp

primary
#66EC61
secondary
#B636BB
accent
#0BDBD3
background
#FCFFFC
surface
#F6FEF4
border
#D0D6CE
text
#10170D
muted
#80857F

Preview Lab

Preview with #66EC61

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

Preview Lab → · Contrast checker → · Palette generator →

#66EC61 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva