#66BF4D#66BF4D

#66BF4D is a light, vivid green. Relative luminance 0.406; OKLCH L 72.4% C 0.174 H 139.3°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#66BF4D
RGB	rgb(102, 191, 77)
HSL	hsl(107, 47%, 53%)
HSV	hsv(107, 60%, 75%)
CMYK	cmyk(46.6%, 0%, 59.7%, 25.1%)
CIE-LAB	lab(69.91, -48.03, 48.34)
CIE-LCH	lch(69.91, 68.15, 134.82°)
OKLab	oklab(72.44% -0.1319 0.1133)
OKLCH	oklch(72.44% 0.174 139.3)
XYZ	xyz(25.4489, 40.6205, 13.5193)
Luminance	0.4062 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF4D #A64DBF

analogous

#9FBF4D #66BF4D #4DBF6D

triadic

#66BF4D #4D66BF #BF4D66

tetradic

#66BF4D #4D9FBF #A64DBF #BF6D4D

square

#66BF4D #4D9FBF #A64DBF #BF6D4D

split-complementary

#66BF4D #6D4DBF #BF4D9F

monochromatic

#366B27 #4C9837 #66BF4D #8DCF7A #B3DFA7

Accessibility & contrast

On white

2.30

#66BF4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#66BF4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF4D

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF4D	#FFFFFF	#000000	##000000
##66BF4D	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B041

Deuteranopia (green-blind)

#B8A856

Tritanopia (blue-blind)

#5FB9A6

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66bf4d;
/* rgb */ color: rgb(102, 191, 77);
/* oklch */ color: oklch(72.4% 0.174 139.3);

Tailwind

colors: {
  custom: {
    50: '#98d383',
    500: '#66bf4d',
    950: '#000000',
  },
}

SCSS

$custom: #66bf4d;
$custom-light: #98d383;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf4d",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 77
  },
  "hsl": {
    "h": 106.842,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.72441,
    "c": 0.17386,
    "h": 139.3
  },
  "luminance": 0.40622
}

Semantic roles & 50–950 ramp

primary

#66BF4D

secondary

#C29BCD

accent

#51D7B9

background

#F9FDF8

surface

#F2FAEF

border

#CCD3CA

text

#0E140B

muted

#7E837C

Preview Lab

Preview with #66BF4D

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

Preview Lab → · Contrast checker → · Palette generator →