#66EF6E#66EF6E

#66EF6E is a very light, highly saturated green. Relative luminance 0.657; OKLCH L 84.8% C 0.209 H 144.5°. Best body text is #000000 at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#66EF6E
RGB	rgb(102, 239, 110)
HSL	hsl(124, 81%, 67%)
HSV	hsv(124, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 54%, 6.3%)
CIE-LAB	lab(84.83, -62.58, 50.79)
CIE-LCH	lch(84.83, 80.60, 140.93°)
OKLab	oklab(84.82% -0.1697 0.1212)
OKLCH	oklch(84.82% 0.209 144.5)
XYZ	xyz(39.1582, 65.6800, 25.3628)
Luminance	0.6568 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EF6E #EF66E7

analogous

#A2EF66 #66EF6E #66EFB3

triadic

#66EF6E #6E66EF #EF6E66

tetradic

#66EF6E #66A2EF #EF66E7 #EFB366

square

#66EF6E #66A2EF #EF66E7 #EFB366

split-complementary

#66EF6E #B366EF #EF66A2

monochromatic

#15C61F #2FE939 #66EF6E #9DF5A3 #D5FBD7

Accessibility & contrast

On white

1.49

#66EF6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.14

#66EF6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF6E

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EF6E	#FFFFFF	#000000	##000000
##66EF6E	1.00	1.49	14.14	14.14
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.14	21.00	1.00	1.00
##000000	14.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DB62

Deuteranopia (green-blind)

#E1CF78

Tritanopia (blue-blind)

#4CE9D2

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66ef6e;
/* rgb */ color: rgb(102, 239, 110);
/* oklch */ color: oklch(84.8% 0.209 144.5);

Tailwind

colors: {
  custom: {
    50: '#9df59a',
    500: '#66ef6e',
    950: '#000000',
  },
}

SCSS

$custom: #66ef6e;
$custom-light: #9df59a;
$custom-dark: #000000;

JSON

{
  "hex": "#66ef6e",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 110
  },
  "hsl": {
    "h": 123.504,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.8482,
    "c": 0.20857,
    "h": 144.5
  },
  "luminance": 0.65684
}

Semantic roles & 50–950 ramp

primary

#66EF6E

secondary

#C336BB

accent

#08D1DD

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #66EF6E

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

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