#66BB50#66BB50

#66BB50 is a light, vivid green. Relative luminance 0.389; OKLCH L 71.5% C 0.166 H 139.6°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#66BB50
RGB	rgb(102, 187, 80)
HSL	hsl(108, 44%, 52%)
HSV	hsv(108, 57%, 73%)
CMYK	cmyk(45.5%, 0%, 57.2%, 26.7%)
CIE-LAB	lab(68.71, -46.07, 45.58)
CIE-LCH	lch(68.71, 64.81, 135.31°)
OKLab	oklab(71.47% -0.1263 0.1076)
OKLCH	oklch(71.47% 0.166 139.6)
XYZ	xyz(24.6968, 38.9430, 13.8033)
Luminance	0.3895 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BB50 #A550BB

analogous

#9BBB50 #66BB50 #50BB70

triadic

#66BB50 #5066BB #BB5066

tetradic

#66BB50 #509BBB #A550BB #BB7050

square

#66BB50 #509BBB #A550BB #BB7050

split-complementary

#66BB50 #7050BB #BB509B

monochromatic

#366828 #4C943A #66BB50 #8DCC7C #B3DDA8

Accessibility & contrast

On white

2.39

#66BB50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#66BB50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BB50

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BB50	#FFFFFF	#000000	##000000
##66BB50	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AC45

Deuteranopia (green-blind)

#B4A558

Tritanopia (blue-blind)

#5FB5A3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66bb50;
/* rgb */ color: rgb(102, 187, 80);
/* oklch */ color: oklch(71.5% 0.166 139.6);

Tailwind

colors: {
  custom: {
    50: '#97d084',
    500: '#66bb50',
    950: '#000000',
  },
}

SCSS

$custom: #66bb50;
$custom-light: #97d084;
$custom-dark: #000000;

JSON

{
  "hex": "#66bb50",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 80
  },
  "hsl": {
    "h": 107.664,
    "s": 44.033,
    "l": 52.353
  },
  "oklch": {
    "l": 0.71468,
    "c": 0.16596,
    "h": 139.6
  },
  "luminance": 0.38945
}

Semantic roles & 50–950 ramp

primary

#66BB50

secondary

#C19CCB

accent

#54D4BA

background

#F9FCF8

surface

#F2F9EF

border

#CCD2CA

text

#0E140B

muted

#7E827C

Preview Lab

Preview with #66BB50

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

Preview Lab → · Contrast checker → · Palette generator →