#66EDA3#66EDA3

#66EDA3 is a very light, vivid green. Relative luminance 0.660; OKLCH L 85.2% C 0.159 H 156.5°. Best body text is #000000 at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#66EDA3
RGB	rgb(102, 237, 163)
HSL	hsl(147, 79%, 66%)
HSV	hsv(147, 57%, 93%)
CMYK	cmyk(57%, 0%, 31.2%, 7.1%)
CIE-LAB	lab(85.01, -53.45, 25.01)
CIE-LCH	lch(85.01, 59.01, 154.92°)
OKLab	oklab(85.22% -0.1456 0.0633)
OKLCH	oklch(85.22% 0.159 156.5)
XYZ	xyz(42.3710, 66.0335, 45.1561)
Luminance	0.6604 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDA3 #ED66B0

analogous

#6DED66 #66EDA3 #66EDE6

triadic

#66EDA3 #A366ED #EDA366

tetradic

#66EDA3 #666DED #ED66B0 #EDE666

square

#66EDA3 #666DED #ED66B0 #EDE666

split-complementary

#66EDA3 #E666ED #ED666D

monochromatic

#17C264 #2FE782 #66EDA3 #9DF3C4 #D4FAE5

Accessibility & contrast

On white

1.48

#66EDA3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.21

#66EDA3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDA3

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDA3	#FFFFFF	#000000	##000000
##66EDA3	1.00	1.48	14.21	14.21
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.21	21.00	1.00	1.00
##000000	14.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECDC9E

Deuteranopia (green-blind)

#D9CFA8

Tritanopia (blue-blind)

#36EBD9

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66eda3;
/* rgb */ color: rgb(102, 237, 163);
/* oklch */ color: oklch(85.2% 0.159 156.5);

Tailwind

colors: {
  custom: {
    50: '#9cf4be',
    500: '#66eda3',
    950: '#000000',
  },
}

SCSS

$custom: #66eda3;
$custom-light: #9cf4be;
$custom-dark: #000000;

JSON

{
  "hex": "#66eda3",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 163
  },
  "hsl": {
    "h": 147.111,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.85221,
    "c": 0.15876,
    "h": 156.5
  },
  "luminance": 0.66037
}

Semantic roles & 50–950 ramp

primary

#66EDA3

secondary

#C03782

accent

#0A7DDB

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EDA3

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

Preview Lab → · Contrast checker → · Palette generator →