#66EC7C#66EC7C

#66EC7C is a very light, vivid green. Relative luminance 0.643; OKLCH L 84.3% C 0.193 H 146.8°. Best body text is #000000 at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#66EC7C
RGB	rgb(102, 236, 124)
HSL	hsl(130, 78%, 66%)
HSV	hsv(130, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 47.5%, 7.5%)
CIE-LAB	lab(84.10, -59.59, 43.31)
CIE-LCH	lch(84.10, 73.67, 143.99°)
OKLab	oklab(84.28% -0.1613 0.1054)
OKLCH	oklch(84.28% 0.193 146.8)
XYZ	xyz(39.1105, 64.2674, 29.4087)
Luminance	0.6427 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC7C #EC66D6

analogous

#93EC66 #66EC7C #66ECBF

triadic

#66EC7C #7C66EC #EC7C66

tetradic

#66EC7C #6693EC #EC66D6 #ECBF66

square

#66EC7C #6693EC #EC66D6 #ECBF66

split-complementary

#66EC7C #BF66EC #EC6693

monochromatic

#18C033 #30E54D #66EC7C #9CF3AB #D3FAD9

Accessibility & contrast

On white

1.52

#66EC7C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.85

#66EC7C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC7C

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC7C	#FFFFFF	#000000	##000000
##66EC7C	1.00	1.52	13.85	13.85
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.85	21.00	1.00	1.00
##000000	13.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD973

Deuteranopia (green-blind)

#DDCD84

Tritanopia (blue-blind)

#49E7D2

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ec7c;
/* rgb */ color: rgb(102, 236, 124);
/* oklch */ color: oklch(84.3% 0.193 146.8);

Tailwind

colors: {
  custom: {
    50: '#9df3a4',
    500: '#66ec7c',
    950: '#000000',
  },
}

SCSS

$custom: #66ec7c;
$custom-light: #9df3a4;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec7c",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 124
  },
  "hsl": {
    "h": 129.851,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84276,
    "c": 0.19265,
    "h": 146.8
  },
  "luminance": 0.64271
}

Semantic roles & 50–950 ramp

primary

#66EC7C

secondary

#BE38A8

accent

#0BB8DA

background

#FCFFFC

surface

#F6FEF6

border

#D0D6D0

text

#0F170F

muted

#808580

Preview Lab

Preview with #66EC7C

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

Preview Lab → · Contrast checker → · Palette generator →