#66BB45#66BB45

#66BB45 is a light, vivid green. Relative luminance 0.388; OKLCH L 71.3% C 0.175 H 138.1°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#66BB45
RGB	rgb(102, 187, 69)
HSL	hsl(103, 46%, 50%)
HSV	hsv(103, 63%, 73%)
CMYK	cmyk(45.5%, 0%, 63.1%, 26.7%)
CIE-LAB	lab(68.60, -47.22, 50.42)
CIE-LCH	lch(68.60, 69.08, 133.12°)
OKLab	oklab(71.34% -0.1302 0.1169)
OKLCH	oklch(71.34% 0.175 138.1)
XYZ	xyz(24.3232, 38.7935, 11.8353)
Luminance	0.3880 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BB45 #9A45BB

analogous

#A1BB45 #66BB45 #45BB5F

triadic

#66BB45 #4566BB #BB4566

tetradic

#66BB45 #45A1BB #9A45BB #BB5F45

square

#66BB45 #45A1BB #9A45BB #BB5F45

split-complementary

#66BB45 #5F45BB #BB45A1

monochromatic

#356224 #4D8F34 #66BB45 #8BCB72 #B0DC9F

Accessibility & contrast

On white

2.40

#66BB45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#66BB45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BB45

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BB45	#FFFFFF	#000000	##000000
##66BB45	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AC37

Deuteranopia (green-blind)

#B5A54F

Tritanopia (blue-blind)

#60B5A2

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66bb45;
/* rgb */ color: rgb(102, 187, 69);
/* oklch */ color: oklch(71.3% 0.175 138.1);

Tailwind

colors: {
  custom: {
    50: '#98d07d',
    500: '#66bb45',
    950: '#000000',
  },
}

SCSS

$custom: #66bb45;
$custom-light: #98d07d;
$custom-dark: #000000;

JSON

{
  "hex": "#66bb45",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 69
  },
  "hsl": {
    "h": 103.22,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.71344,
    "c": 0.17496,
    "h": 138.1
  },
  "luminance": 0.38795
}

Semantic roles & 50–950 ramp

primary

#66BB45

secondary

#BA94C8

accent

#52D6B1

background

#F9FCF7

surface

#F2F9EE

border

#CCD2C9

text

#0E140A

muted

#7E827C

Preview Lab

Preview with #66BB45

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

Preview Lab → · Contrast checker → · Palette generator →