#66EC6A#66EC6A

#66EC6A is a very light, highly saturated green. Relative luminance 0.639; OKLCH L 84.0% C 0.208 H 143.9°. Best body text is #000000 at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#66EC6A
RGB	rgb(102, 236, 106)
HSL	hsl(122, 78%, 66%)
HSV	hsv(122, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 55.1%, 7.5%)
CIE-LAB	lab(83.89, -61.97, 51.49)
CIE-LCH	lch(83.89, 80.57, 140.28°)
OKLab	oklab(84.03% -0.1682 0.1225)
OKLCH	oklch(84.03% 0.208 143.9)
XYZ	xyz(38.0743, 63.8529, 23.9513)
Luminance	0.6386 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC6A #EC66E8

analogous

#A5EC66 #66EC6A #66ECAD

triadic

#66EC6A #6A66EC #EC6A66

tetradic

#66EC6A #66A5EC #EC66E8 #ECAD66

square

#66EC6A #66A5EC #EC66E8 #ECAD66

split-complementary

#66EC6A #AD66EC #EC66A5

monochromatic

#18C01D #30E535 #66EC6A #9CF39F #D3FAD4

Accessibility & contrast

On white

1.52

#66EC6A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.77

#66EC6A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC6A

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC6A	#FFFFFF	#000000	##000000
##66EC6A	1.00	1.52	13.77	13.77
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.77	21.00	1.00	1.00
##000000	13.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D85E

Deuteranopia (green-blind)

#DFCD74

Tritanopia (blue-blind)

#4EE6CF

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ec6a;
/* rgb */ color: rgb(102, 236, 106);
/* oklch */ color: oklch(84.0% 0.208 143.9);

Tailwind

colors: {
  custom: {
    50: '#9df398',
    500: '#66ec6a',
    950: '#000000',
  },
}

SCSS

$custom: #66ec6a;
$custom-light: #9df398;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec6a",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 106
  },
  "hsl": {
    "h": 121.791,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84028,
    "c": 0.2081,
    "h": 143.9
  },
  "luminance": 0.63856
}

Semantic roles & 50–950 ramp

primary

#66EC6A

secondary

#BE38BA

accent

#0BD4DA

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #66EC6A

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

Preview Lab → · Contrast checker → · Palette generator →