#66DC6E#66DC6E

#66DC6E is a light, vivid green. Relative luminance 0.551; OKLCH L 80.1% C 0.184 H 144.9°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#66DC6E
RGB	rgb(102, 220, 110)
HSL	hsl(124, 63%, 63%)
HSV	hsv(124, 54%, 86%)
CMYK	cmyk(53.6%, 0%, 50%, 13.7%)
CIE-LAB	lab(79.12, -55.46, 43.85)
CIE-LCH	lch(79.12, 70.70, 141.67°)
OKLab	oklab(80.12% -0.1505 0.1059)
OKLCH	oklch(80.12% 0.184 144.9)
XYZ	xyz(33.8852, 55.1341, 23.6051)
Luminance	0.5514 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DC6E #DC66D4

analogous

#99DC66 #66DC6E #66DCA9

triadic

#66DC6E #6E66DC #DC6E66

tetradic

#66DC6E #6699DC #DC66D4 #DCA966

square

#66DC6E #6699DC #DC66D4 #DCA966

split-complementary

#66DC6E #A966DC #DC6699

monochromatic

#25A22E #34D13F #66DC6E #98E79D #CAF3CC

Accessibility & contrast

On white

1.75

#66DC6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.03

#66DC6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC6E

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DC6E	#FFFFFF	#000000	##000000
##66DC6E	1.00	1.75	12.03	12.03
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.03	21.00	1.00	1.00
##000000	12.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFCA65

Deuteranopia (green-blind)

#D0C076

Tritanopia (blue-blind)

#52D7C3

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66dc6e;
/* rgb */ color: rgb(102, 220, 110);
/* oklch */ color: oklch(80.1% 0.184 144.9);

Tailwind

colors: {
  custom: {
    50: '#9be89a',
    500: '#66dc6e',
    950: '#000000',
  },
}

SCSS

$custom: #66dc6e;
$custom-light: #9be89a;
$custom-dark: #000000;

JSON

{
  "hex": "#66dc6e",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 110
  },
  "hsl": {
    "h": 124.068,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.8012,
    "c": 0.18399,
    "h": 144.9
  },
  "luminance": 0.55137
}

Semantic roles & 50–950 ramp

primary

#66DC6E

secondary

#A6419F

accent

#1BBFCB

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0F160E

muted

#80847F

Preview Lab

Preview with #66DC6E

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

Preview Lab → · Contrast checker → · Palette generator →