#66BC45#66BC45

#66BC45 is a light, vivid green. Relative luminance 0.392; OKLCH L 71.6% C 0.176 H 138.1°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#66BC45
RGB	rgb(102, 188, 69)
HSL	hsl(103, 47%, 50%)
HSV	hsv(103, 63%, 74%)
CMYK	cmyk(45.7%, 0%, 63.3%, 26.3%)
CIE-LAB	lab(68.91, -47.63, 50.76)
CIE-LCH	lch(68.91, 69.60, 133.18°)
OKLab	oklab(71.6% -0.1313 0.1176)
OKLCH	oklch(71.6% 0.176 138.1)
XYZ	xyz(24.5361, 39.2193, 11.9063)
Luminance	0.3922 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BC45 #9B45BC

analogous

#A2BC45 #66BC45 #45BC5F

triadic

#66BC45 #4566BC #BC4566

tetradic

#66BC45 #45A2BC #9B45BC #BC5F45

square

#66BC45 #45A2BC #9B45BC #BC5F45

split-complementary

#66BC45 #5F45BC #BC45A2

monochromatic

#356324 #4D9034 #66BC45 #8BCC72 #B0DC9F

Accessibility & contrast

On white

2.37

#66BC45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#66BC45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BC45

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BC45	#FFFFFF	#000000	##000000
##66BC45	1.00	2.37	8.84	8.84
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AD37

Deuteranopia (green-blind)

#B6A54F

Tritanopia (blue-blind)

#60B6A3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66bc45;
/* rgb */ color: rgb(102, 188, 69);
/* oklch */ color: oklch(71.6% 0.176 138.1);

Tailwind

colors: {
  custom: {
    50: '#98d17e',
    500: '#66bc45',
    950: '#000000',
  },
}

SCSS

$custom: #66bc45;
$custom-light: #98d17e;
$custom-dark: #000000;

JSON

{
  "hex": "#66bc45",
  "rgb": {
    "r": 102,
    "g": 188,
    "b": 69
  },
  "hsl": {
    "h": 103.361,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.71597,
    "c": 0.17628,
    "h": 138.1
  },
  "luminance": 0.39221
}

Semantic roles & 50–950 ramp

primary

#66BC45

secondary

#BA94C9

accent

#51D7B2

background

#F9FCF7

surface

#F2F9EE

border

#CCD2C9

text

#0E140A

muted

#7E827C

Preview Lab

Preview with #66BC45

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

Preview Lab → · Contrast checker → · Palette generator →