#66EC7F#66EC7F

#66EC7F is a very light, vivid green. Relative luminance 0.643; OKLCH L 84.3% C 0.190 H 147.4°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#66EC7F
RGB	rgb(102, 236, 127)
HSL	hsl(131, 78%, 66%)
HSV	hsv(131, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 46.2%, 7.5%)
CIE-LAB	lab(84.14, -59.15, 41.91)
CIE-LCH	lch(84.14, 72.50, 144.68°)
OKLab	oklab(84.32% -0.1601 0.1023)
OKLCH	oklch(84.32% 0.19 147.4)
XYZ	xyz(39.3031, 64.3444, 30.4231)
Luminance	0.6435 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC7F #EC66D3

analogous

#90EC66 #66EC7F #66ECC2

triadic

#66EC7F #7F66EC #EC7F66

tetradic

#66EC7F #6690EC #EC66D3 #ECC266

square

#66EC7F #6690EC #EC66D3 #ECC266

split-complementary

#66EC7F #C266EC #EC6690

monochromatic

#18C037 #30E551 #66EC7F #9CF3AD #D3FADA

Accessibility & contrast

On white

1.51

#66EC7F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.87

#66EC7F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC7F

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC7F	#FFFFFF	#000000	##000000
##66EC7F	1.00	1.51	13.87	13.87
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.87	21.00	1.00	1.00
##000000	13.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD976

Deuteranopia (green-blind)

#DDCD86

Tritanopia (blue-blind)

#48E7D2

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ec7f;
/* rgb */ color: rgb(102, 236, 127);
/* oklch */ color: oklch(84.3% 0.190 147.4);

Tailwind

colors: {
  custom: {
    50: '#9cf3a6',
    500: '#66ec7f',
    950: '#000000',
  },
}

SCSS

$custom: #66ec7f;
$custom-light: #9cf3a6;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec7f",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 127
  },
  "hsl": {
    "h": 131.194,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84322,
    "c": 0.18997,
    "h": 147.4
  },
  "luminance": 0.64348
}

Semantic roles & 50–950 ramp

primary

#66EC7F

secondary

#BE38A5

accent

#0BB4DA

background

#FCFFFC

surface

#F6FEF6

border

#D0D6D0

text

#0F170F

muted

#808580

Preview Lab

Preview with #66EC7F

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

Preview Lab → · Contrast checker → · Palette generator →