#66BE2E#66BE2E

#66BE2E is a light, vivid yellow-green. Relative luminance 0.398; OKLCH L 71.9% C 0.194 H 136.2°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX#66BE2E
RGBrgb(102, 190, 46)
HSLhsl(97, 61%, 46%)
HSVhsv(97, 76%, 75%)
CMYKcmyk(46.3%, 0%, 75.8%, 25.5%)
CIE-LABlab(69.36, -50.22, 60.08)
CIE-LCHlch(69.36, 78.31, 129.89°)
OKLaboklab(71.91% -0.1398 0.1342)
OKLCHoklch(71.91% 0.194 136.2)
XYZxyz(24.3854, 39.8474, 8.9906)
Luminance0.3985 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BE2E #862EBE
analogous
#AEBE2E #66BE2E #2EBE3E
triadic
#66BE2E #2E66BE #BE2E66
tetradic
#66BE2E #2EAEBE #862EBE #BE3E2E
square
#66BE2E #2EAEBE #862EBE #BE3E2E
split-complementary
#66BE2E #3E2EBE #BE2EAE
monochromatic
#315B16 #4C8D22 #66BE2E #86D654 #A9E185

Accessibility & contrast

On white

2.34
#66BE2E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.97
#66BE2E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE2E
8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BE2E#FFFFFF#000000##000000
##66BE2E1.002.348.978.97
#FFFFFF2.341.0021.0021.00
#0000008.9721.001.001.00
##0000008.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5AE0B
Deuteranopia (green-blind)
#B9A73D
Tritanopia (blue-blind)
#62B7A3
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #66be2e;
/* rgb */ color: rgb(102, 190, 46);
/* oklch */ color: oklch(71.9% 0.194 136.2);
Tailwind
colors: {
  custom: {
    50: '#99d271',
    500: '#66be2e',
    950: '#000000',
  },
}
SCSS
$custom: #66be2e;
$custom-light: #99d271;
$custom-dark: #000000;
JSON
{
  "hex": "#66be2e",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 46
  },
  "hsl": {
    "h": 96.667,
    "s": 61.017,
    "l": 46.275
  },
  "oklch": {
    "l": 0.71914,
    "c": 0.19385,
    "h": 136.2
  },
  "luminance": 0.39849
}

Semantic roles & 50–950 ramp

primary
#66BE2E
secondary
#AD7DCB
accent
#44E4A6
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0F1408
muted
#7E837B

Preview Lab

Preview with #66BE2E

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

Preview Lab → · Contrast checker → · Palette generator →

#66BE2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva