#66CD55#66CD55

#66CD55 is a light, vivid green. Relative luminance 0.471; OKLCH L 76.1% C 0.186 H 140.9°. Best body text is #000000 at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#66CD55
RGB	rgb(102, 205, 85)
HSL	hsl(112, 55%, 57%)
HSV	hsv(112, 59%, 80%)
CMYK	cmyk(50.2%, 0%, 58.5%, 19.6%)
CIE-LAB	lab(74.28, -52.73, 49.75)
CIE-LCH	lch(74.28, 72.49, 136.66°)
OKLab	oklab(76.05% -0.1442 0.1171)
OKLCH	oklch(76.05% 0.186 140.9)
XYZ	xyz(28.9492, 47.1411, 16.1662)
Luminance	0.4714 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CD55 #BC55CD

analogous

#A2CD55 #66CD55 #55CD80

triadic

#66CD55 #5566CD #CD5566

tetradic

#66CD55 #55A2CD #BC55CD #CD8055

square

#66CD55 #55A2CD #BC55CD #CD8055

split-complementary

#66CD55 #8055CD #CD55A2

monochromatic

#338226 #46B134 #66CD55 #91DB84 #BBE9B4

Accessibility & contrast

On white

2.01

#66CD55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.43

#66CD55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD55

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CD55	#FFFFFF	#000000	##000000
##66CD55	1.00	2.01	10.43	10.43
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.43	21.00	1.00	1.00
##000000	10.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BC48

Deuteranopia (green-blind)

#C4B35E

Tritanopia (blue-blind)

#5BC7B3

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66cd55;
/* rgb */ color: rgb(102, 205, 85);
/* oklch */ color: oklch(76.1% 0.186 140.9);

Tailwind

colors: {
  custom: {
    50: '#9add89',
    500: '#66cd55',
    950: '#000000',
  },
}

SCSS

$custom: #66cd55;
$custom-light: #9add89;
$custom-dark: #000000;

JSON

{
  "hex": "#66cd55",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 85
  },
  "hsl": {
    "h": 111.5,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.76053,
    "c": 0.1857,
    "h": 140.9
  },
  "luminance": 0.47143
}

Semantic roles & 50–950 ramp

primary

#66CD55

secondary

#D0A6D7

accent

#4ADEC9

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0F150C

muted

#7E837D

Preview Lab

Preview with #66CD55

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

Preview Lab → · Contrast checker → · Palette generator →