#66DC3E#66DC3E

#66DC3E is a light, highly saturated green. Relative luminance 0.544; OKLCH L 79.6% C 0.220 H 139.1°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#66DC3E
RGB	rgb(102, 220, 62)
HSL	hsl(105, 69%, 55%)
HSV	hsv(105, 72%, 86%)
CMYK	cmyk(53.6%, 0%, 71.8%, 13.7%)
CIE-LAB	lab(78.67, -60.44, 63.83)
CIE-LCH	lch(78.67, 87.90, 133.44°)
OKLab	oklab(79.61% -0.1664 0.1443)
OKLCH	oklch(79.61% 0.22 139.1)
XYZ	xyz(31.9409, 54.3564, 13.3652)
Luminance	0.5436 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DC3E #B43EDC

analogous

#B5DC3E #66DC3E #3EDC65

triadic

#66DC3E #3E66DC #DC3E66

tetradic

#66DC3E #3EB5DC #B43EDC #DC653E

square

#66DC3E #3EB5DC #B43EDC #DC653E

split-complementary

#66DC3E #653EDC #DC3EB5

monochromatic

#358719 #49BB22 #66DC3E #8FE572 #B8EFA6

Accessibility & contrast

On white

1.77

#66DC3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.87

#66DC3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC3E

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DC3E	#FFFFFF	#000000	##000000
##66DC3E	1.00	1.77	11.87	11.87
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.87	21.00	1.00	1.00
##000000	11.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C922

Deuteranopia (green-blind)

#D3BF4E

Tritanopia (blue-blind)

#5AD5BD

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66dc3e;
/* rgb */ color: rgb(102, 220, 62);
/* oklch */ color: oklch(79.6% 0.220 139.1);

Tailwind

colors: {
  custom: {
    50: '#9de87d',
    500: '#66dc3e',
    950: '#000000',
  },
}

SCSS

$custom: #66dc3e;
$custom-light: #9de87d;
$custom-dark: #000000;

JSON

{
  "hex": "#66dc3e",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 62
  },
  "hsl": {
    "h": 104.81,
    "s": 69.298,
    "l": 55.294
  },
  "oklch": {
    "l": 0.79605,
    "c": 0.22024,
    "h": 139.1
  },
  "luminance": 0.54359
}

Semantic roles & 50–950 ramp

primary

#66DC3E

secondary

#76318D

accent

#3CECBF

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66DC3E

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

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