#66D452#66D452

#66D452 is a light, vivid green. Relative luminance 0.505; OKLCH L 77.8% C 0.197 H 140.7°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#66D452
RGB	rgb(102, 212, 82)
HSL	hsl(111, 60%, 58%)
HSV	hsv(111, 61%, 83%)
CMYK	cmyk(51.9%, 0%, 61.3%, 16.9%)
CIE-LAB	lab(76.39, -55.74, 53.48)
CIE-LCH	lch(76.39, 77.24, 136.18°)
OKLab	oklab(77.78% -0.1525 0.1248)
OKLCH	oklch(77.78% 0.197 140.7)
XYZ	xyz(30.5446, 50.5186, 16.1225)
Luminance	0.5052 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D452 #C052D4

analogous

#A7D452 #66D452 #52D47F

triadic

#66D452 #5266D4 #D45266

tetradic

#66D452 #52A7D4 #C052D4 #D47F52

square

#66D452 #52A7D4 #C052D4 #D47F52

split-complementary

#66D452 #7F52D4 #D452A7

monochromatic

#328922 #44BA2E #66D452 #91E083 #BDECB4

Accessibility & contrast

On white

1.89

#66D452 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#66D452 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D452

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D452	#FFFFFF	#000000	##000000
##66D452	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C243

Deuteranopia (green-blind)

#CBB95D

Tritanopia (blue-blind)

#5ACEB8

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #66d452;
/* rgb */ color: rgb(102, 212, 82);
/* oklch */ color: oklch(77.8% 0.197 140.7);

Tailwind

colors: {
  custom: {
    50: '#9be287',
    500: '#66d452',
    950: '#000000',
  },
}

SCSS

$custom: #66d452;
$custom-light: #9be287;
$custom-dark: #000000;

JSON

{
  "hex": "#66d452",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 82
  },
  "hsl": {
    "h": 110.769,
    "s": 60.185,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77775,
    "c": 0.19704,
    "h": 140.7
  },
  "luminance": 0.50521
}

Semantic roles & 50–950 ramp

primary

#66D452

secondary

#833B90

accent

#44E3CB

background

#FCFEFC

surface

#F5FCF3

border

#CFD5CD

text

#0F150C

muted

#80847F

Preview Lab

Preview with #66D452

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

Preview Lab → · Contrast checker → · Palette generator →