#66DB3E#66DB3E

#66DB3E is a light, highly saturated green. Relative luminance 0.538; OKLCH L 79.4% C 0.219 H 139.0°. Best body text is #000000 at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#66DB3E
RGB	rgb(102, 219, 62)
HSL	hsl(105, 69%, 55%)
HSV	hsv(105, 72%, 86%)
CMYK	cmyk(53.4%, 0%, 71.7%, 14.1%)
CIE-LAB	lab(78.36, -60.07, 63.52)
CIE-LCH	lch(78.36, 87.43, 133.40°)
OKLab	oklab(79.35% -0.1654 0.1436)
OKLCH	oklch(79.35% 0.219 139)
XYZ	xyz(31.6793, 53.8331, 13.2779)
Luminance	0.5384 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB3E #B33EDB

analogous

#B5DB3E #66DB3E #3EDB64

triadic

#66DB3E #3E66DB #DB3E66

tetradic

#66DB3E #3EB5DB #B33EDB #DB643E

square

#66DB3E #3EB5DB #B33EDB #DB643E

split-complementary

#66DB3E #643EDB #DB3EB5

monochromatic

#358619 #49B923 #66DB3E #8FE572 #B8EEA5

Accessibility & contrast

On white

1.78

#66DB3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.77

#66DB3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB3E

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB3E	#FFFFFF	#000000	##000000
##66DB3E	1.00	1.78	11.77	11.77
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.77	21.00	1.00	1.00
##000000	11.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C822

Deuteranopia (green-blind)

#D2BE4E

Tritanopia (blue-blind)

#5BD4BC

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db3e;
/* rgb */ color: rgb(102, 219, 62);
/* oklch */ color: oklch(79.4% 0.219 139.0);

Tailwind

colors: {
  custom: {
    50: '#9ce77d',
    500: '#66db3e',
    950: '#000000',
  },
}

SCSS

$custom: #66db3e;
$custom-light: #9ce77d;
$custom-dark: #000000;

JSON

{
  "hex": "#66db3e",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 62
  },
  "hsl": {
    "h": 104.713,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79354,
    "c": 0.21908,
    "h": 139
  },
  "luminance": 0.53836
}

Semantic roles & 50–950 ramp

primary

#66DB3E

secondary

#75318C

accent

#3CEBBF

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66DB3E

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

Preview Lab → · Contrast checker → · Palette generator →