#66E13B#66E13B

#66E13B is a light, highly saturated green. Relative luminance 0.570; OKLCH L 80.8% C 0.228 H 139.1°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX#66E13B
RGBrgb(102, 225, 59)
HSLhsl(104, 73%, 56%)
HSVhsv(104, 74%, 88%)
CMYKcmyk(54.7%, 0%, 73.8%, 11.8%)
CIE-LABlab(80.17, -62.43, 66.36)
CIE-LCHlch(80.17, 91.12, 133.25°)
OKLaboklab(80.84% -0.172 0.1492)
OKLCHoklch(80.84% 0.228 139.1)
XYZxyz(33.1928, 56.9882, 13.3875)
Luminance0.5699 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E13B #B63BE1
analogous
#B9E13B #66E13B #3BE163
triadic
#66E13B #3B66E1 #E13B66
tetradic
#66E13B #3BB9E1 #B63BE1 #E1633B
square
#66E13B #3BB9E1 #B63BE1 #E1633B
split-complementary
#66E13B #633BE1 #E13BB9
monochromatic
#348C15 #48C11E #66E13B #8FE970 #B9F1A5

Accessibility & contrast

On white

1.69
#66E13B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.40
#66E13B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E13B
12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E13B#FFFFFF#000000##000000
##66E13B1.001.6912.4012.40
#FFFFFF1.691.0021.0021.00
#00000012.4021.001.001.00
##00000012.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#E8CD18
Deuteranopia (green-blind)
#D8C34C
Tritanopia (blue-blind)
#5AD9C1
Achromatopsia (no color)
#C7C7C7

Design tokens & code

CSS
--color: #66e13b;
/* rgb */ color: rgb(102, 225, 59);
/* oklch */ color: oklch(80.8% 0.228 139.1);
Tailwind
colors: {
  custom: {
    50: '#9deb7c',
    500: '#66e13b',
    950: '#000000',
  },
}
SCSS
$custom: #66e13b;
$custom-light: #9deb7c;
$custom-dark: #000000;
JSON
{
  "hex": "#66e13b",
  "rgb": {
    "r": 102,
    "g": 225,
    "b": 59
  },
  "hsl": {
    "h": 104.458,
    "s": 73.451,
    "l": 55.686
  },
  "oklch": {
    "l": 0.80839,
    "c": 0.22765,
    "h": 139.1
  },
  "luminance": 0.56991
}

Semantic roles & 50–950 ramp

primary
#66E13B
secondary
#782F92
accent
#38F0C0
background
#FCFFFB
surface
#F6FEF2
border
#D0D6CC
text
#10160A
muted
#80857D

Preview Lab

Preview with #66E13B

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

Preview Lab → · Contrast checker → · Palette generator →

#66E13B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva