#66BD30#66BD30

#66BD30 is a light, vivid yellow-green. Relative luminance 0.394; OKLCH L 71.7% C 0.192 H 136.2°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#66BD30
RGB	rgb(102, 189, 48)
HSL	hsl(97, 59%, 46%)
HSV	hsv(97, 75%, 74%)
CMYK	cmyk(46%, 0%, 74.6%, 25.9%)
CIE-LAB	lab(69.06, -49.70, 59.12)
CIE-LCH	lch(69.06, 77.23, 130.05°)
OKLab	oklab(71.67% -0.1383 0.1325)
OKLCH	oklch(71.67% 0.192 136.2)
XYZ	xyz(24.2099, 39.4318, 9.1311)
Luminance	0.3943 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BD30 #8730BD

analogous

#ADBD30 #66BD30 #30BD40

triadic

#66BD30 #3066BD #BD3066

tetradic

#66BD30 #30ADBD #8730BD #BD4030

square

#66BD30 #30ADBD #8730BD #BD4030

split-complementary

#66BD30 #4030BD #BD30AD

monochromatic

#315B17 #4C8C24 #66BD30 #86D456 #A9E087

Accessibility & contrast

On white

2.36

#66BD30 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#66BD30 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BD30

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BD30	#FFFFFF	#000000	##000000
##66BD30	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD12

Deuteranopia (green-blind)

#B8A63E

Tritanopia (blue-blind)

#62B6A2

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66bd30;
/* rgb */ color: rgb(102, 189, 48);
/* oklch */ color: oklch(71.7% 0.192 136.2);

Tailwind

colors: {
  custom: {
    50: '#99d172',
    500: '#66bd30',
    950: '#000000',
  },
}

SCSS

$custom: #66bd30;
$custom-light: #99d172;
$custom-dark: #000000;

JSON

{
  "hex": "#66bd30",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 48
  },
  "hsl": {
    "h": 97.021,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.71673,
    "c": 0.19156,
    "h": 136.2
  },
  "luminance": 0.39433
}

Semantic roles & 50–950 ramp

primary

#66BD30

secondary

#AD7FCA

accent

#45E3A6

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0F1408

muted

#7E827B

Preview Lab

Preview with #66BD30

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

Preview Lab → · Contrast checker → · Palette generator →