#66D55F#66D55F

#66D55F is a light, vivid green. Relative luminance 0.512; OKLCH L 78.2% C 0.188 H 142.5°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#66D55F
RGB	rgb(102, 213, 95)
HSL	hsl(116, 58%, 60%)
HSV	hsv(116, 55%, 84%)
CMYK	cmyk(52.1%, 0%, 55.4%, 16.5%)
CIE-LAB	lab(76.82, -54.68, 48.15)
CIE-LCH	lch(76.82, 72.86, 138.63°)
OKLab	oklab(78.18% -0.1489 0.1144)
OKLCH	oklch(78.18% 0.188 142.5)
XYZ	xyz(31.3377, 51.2370, 19.0626)
Luminance	0.5124 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D55F #CE5FD5

analogous

#A1D55F #66D55F #5FD593

triadic

#66D55F #5F66D5 #D55F66

tetradic

#66D55F #5FA1D5 #CE5FD5 #D5935F

square

#66D55F #5FA1D5 #CE5FD5 #D5935F

split-complementary

#66D55F #935FD5 #D55FA1

monochromatic

#2D9327 #3CC333 #66D55F #94E28F #C3EEC0

Accessibility & contrast

On white

1.87

#66D55F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#66D55F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D55F

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D55F	#FFFFFF	#000000	##000000
##66D55F	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C454

Deuteranopia (green-blind)

#CBBA68

Tritanopia (blue-blind)

#57CFBB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d55f;
/* rgb */ color: rgb(102, 213, 95);
/* oklch */ color: oklch(78.2% 0.188 142.5);

Tailwind

colors: {
  custom: {
    50: '#9ae38f',
    500: '#66d55f',
    950: '#000000',
  },
}

SCSS

$custom: #66d55f;
$custom-light: #9ae38f;
$custom-dark: #000000;

JSON

{
  "hex": "#66d55f",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 95
  },
  "hsl": {
    "h": 116.441,
    "s": 58.416,
    "l": 60.392
  },
  "oklch": {
    "l": 0.78176,
    "c": 0.18781,
    "h": 142.5
  },
  "luminance": 0.5124
}

Semantic roles & 50–950 ramp

primary

#66D55F

secondary

#934098

accent

#1FC6BC

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F150D

muted

#80847F

Preview Lab

Preview with #66D55F

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

Preview Lab → · Contrast checker → · Palette generator →