#66CF53#66CF53

#66CF53 is a light, vivid green. Relative luminance 0.481; OKLCH L 76.5% C 0.190 H 140.7°. Best body text is #000000 at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#66CF53
RGB	rgb(102, 207, 83)
HSL	hsl(111, 56%, 57%)
HSV	hsv(111, 60%, 81%)
CMYK	cmyk(50.7%, 0%, 59.9%, 18.8%)
CIE-LAB	lab(74.87, -53.72, 51.32)
CIE-LCH	lch(74.87, 74.30, 136.31°)
OKLab	oklab(76.53% -0.147 0.1203)
OKLCH	oklch(76.53% 0.19 140.7)
XYZ	xyz(29.3524, 48.0727, 15.9142)
Luminance	0.4808 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF53 #BC53CF

analogous

#A4CF53 #66CF53 #53CF7E

triadic

#66CF53 #5366CF #CF5366

tetradic

#66CF53 #53A4CF #BC53CF #CF7E53

square

#66CF53 #53A4CF #BC53CF #CF7E53

split-complementary

#66CF53 #7E53CF #CF53A4

monochromatic

#338325 #46B332 #66CF53 #91DC83 #BBEAB3

Accessibility & contrast

On white

1.98

#66CF53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.62

#66CF53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF53

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF53	#FFFFFF	#000000	##000000
##66CF53	1.00	1.98	10.62	10.62
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.62	21.00	1.00	1.00
##000000	10.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BE46

Deuteranopia (green-blind)

#C6B55D

Tritanopia (blue-blind)

#5BC9B4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66cf53;
/* rgb */ color: rgb(102, 207, 83);
/* oklch */ color: oklch(76.5% 0.190 140.7);

Tailwind

colors: {
  custom: {
    50: '#9ade87',
    500: '#66cf53',
    950: '#000000',
  },
}

SCSS

$custom: #66cf53;
$custom-light: #9ade87;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf53",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 83
  },
  "hsl": {
    "h": 110.806,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.76532,
    "c": 0.1899,
    "h": 140.7
  },
  "luminance": 0.48075
}

Semantic roles & 50–950 ramp

primary

#66CF53

secondary

#D0A6D8

accent

#48E0C8

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0F150C

muted

#7E837D

Preview Lab

Preview with #66CF53

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

Preview Lab → · Contrast checker → · Palette generator →