#66BC30#66BC30

#66BC30 is a light, vivid yellow-green. Relative luminance 0.390; OKLCH L 71.4% C 0.190 H 136.1°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#66BC30
RGBrgb(102, 188, 48)
HSLhsl(97, 59%, 46%)
HSVhsv(97, 74%, 74%)
CMYKcmyk(45.7%, 0%, 74.5%, 26.3%)
CIE-LABlab(68.75, -49.31, 58.81)
CIE-LCHlch(68.75, 76.75, 129.98°)
OKLaboklab(71.42% -0.1373 0.1319)
OKLCHoklch(71.42% 0.19 136.1)
XYZxyz(23.9956, 39.0031, 9.0597)
Luminance0.3901 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BC30 #8630BC
analogous
#ACBC30 #66BC30 #30BC40
triadic
#66BC30 #3066BC #BC3066
tetradic
#66BC30 #30ACBC #8630BC #BC4030
square
#66BC30 #30ACBC #8630BC #BC4030
split-complementary
#66BC30 #4030BC #BC30AC
monochromatic
#315A17 #4C8B24 #66BC30 #86D455 #A9E086

Accessibility & contrast

On white

2.39
#66BC30 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.80
#66BC30 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BC30
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BC30#FFFFFF#000000##000000
##66BC301.002.398.808.80
#FFFFFF2.391.0021.0021.00
#0000008.8021.001.001.00
##0000008.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3AC13
Deuteranopia (green-blind)
#B7A53E
Tritanopia (blue-blind)
#62B5A1
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #66bc30;
/* rgb */ color: rgb(102, 188, 48);
/* oklch */ color: oklch(71.4% 0.190 136.1);
Tailwind
colors: {
  custom: {
    50: '#99d172',
    500: '#66bc30',
    950: '#000000',
  },
}
SCSS
$custom: #66bc30;
$custom-light: #99d172;
$custom-dark: #000000;
JSON
{
  "hex": "#66bc30",
  "rgb": {
    "r": 102,
    "g": 188,
    "b": 48
  },
  "hsl": {
    "h": 96.857,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.71419,
    "c": 0.19034,
    "h": 136.1
  },
  "luminance": 0.39005
}

Semantic roles & 50–950 ramp

primary
#66BC30
secondary
#AD7ECA
accent
#45E3A6
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0F1408
muted
#7E827B

Preview Lab

Preview with #66BC30

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

Preview Lab → · Contrast checker → · Palette generator →

#66BC30 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva