#66EDA6#66EDA6

#66EDA6 is a very light, vivid green. Relative luminance 0.661; OKLCH L 85.3% C 0.156 H 157.5°. Best body text is #000000 at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#66EDA6
RGB	rgb(102, 237, 166)
HSL	hsl(148, 79%, 66%)
HSV	hsv(148, 57%, 93%)
CMYK	cmyk(57%, 0%, 30%, 7.1%)
CIE-LAB	lab(85.07, -52.87, 23.55)
CIE-LCH	lch(85.07, 57.88, 155.99°)
OKLab	oklab(85.29% -0.1443 0.0597)
OKLCH	oklch(85.29% 0.156 157.5)
XYZ	xyz(42.6430, 66.1423, 46.5885)
Luminance	0.6615 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDA6 #ED66AD

analogous

#6AED66 #66EDA6 #66EDE9

triadic

#66EDA6 #A666ED #EDA666

tetradic

#66EDA6 #666AED #ED66AD #EDE966

square

#66EDA6 #666AED #ED66AD #EDE966

split-complementary

#66EDA6 #E966ED #ED666A

monochromatic

#17C268 #2FE786 #66EDA6 #9DF3C6 #D4FAE6

Accessibility & contrast

On white

1.48

#66EDA6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.23

#66EDA6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDA6

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDA6	#FFFFFF	#000000	##000000
##66EDA6	1.00	1.48	14.23	14.23
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.23	21.00	1.00	1.00
##000000	14.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBDCA2

Deuteranopia (green-blind)

#D9CFAA

Tritanopia (blue-blind)

#33EBDA

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66eda6;
/* rgb */ color: rgb(102, 237, 166);
/* oklch */ color: oklch(85.3% 0.156 157.5);

Tailwind

colors: {
  custom: {
    50: '#9cf4c0',
    500: '#66eda6',
    950: '#000000',
  },
}

SCSS

$custom: #66eda6;
$custom-light: #9cf4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#66eda6",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 166
  },
  "hsl": {
    "h": 148.444,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.85285,
    "c": 0.15614,
    "h": 157.5
  },
  "luminance": 0.66146
}

Semantic roles & 50–950 ramp

primary

#66EDA6

secondary

#C0377F

accent

#0A78DB

background

#FCFFFD

surface

#F6FEF9

border

#D0D6D2

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EDA6

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

Preview Lab → · Contrast checker → · Palette generator →