#66EDA9#66EDA9

#66EDA9 is a very light, vivid green. Relative luminance 0.663; OKLCH L 85.4% C 0.154 H 158.6°. Best body text is #000000 at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#66EDA9
RGB	rgb(102, 237, 169)
HSL	hsl(150, 79%, 66%)
HSV	hsv(150, 57%, 93%)
CMYK	cmyk(57%, 0%, 28.7%, 7.1%)
CIE-LAB	lab(85.13, -52.28, 22.08)
CIE-LCH	lch(85.13, 56.76, 157.10°)
OKLab	oklab(85.35% -0.1429 0.0561)
OKLCH	oklch(85.35% 0.154 158.6)
XYZ	xyz(42.9214, 66.2537, 48.0547)
Luminance	0.6626 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDA9 #ED66AA

analogous

#67ED66 #66EDA9 #66EDED

triadic

#66EDA9 #A966ED #EDA966

tetradic

#66EDA9 #6667ED #ED66AA #EDED66

square

#66EDA9 #6667ED #ED66AA #EDED66

split-complementary

#66EDA9 #ED66ED #ED6667

monochromatic

#17C26C #2FE78A #66EDA9 #9DF3C8 #D4FAE7

Accessibility & contrast

On white

1.47

#66EDA9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.25

#66EDA9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDA9

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDA9	#FFFFFF	#000000	##000000
##66EDA9	1.00	1.47	14.25	14.25
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.25	21.00	1.00	1.00
##000000	14.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBDDA5

Deuteranopia (green-blind)

#D8CFAD

Tritanopia (blue-blind)

#31ECDB

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66eda9;
/* rgb */ color: rgb(102, 237, 169);
/* oklch */ color: oklch(85.4% 0.154 158.6);

Tailwind

colors: {
  custom: {
    50: '#9cf4c2',
    500: '#66eda9',
    950: '#000000',
  },
}

SCSS

$custom: #66eda9;
$custom-light: #9cf4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#66eda9",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 169
  },
  "hsl": {
    "h": 149.778,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.8535,
    "c": 0.15355,
    "h": 158.6
  },
  "luminance": 0.66258
}

Semantic roles & 50–950 ramp

primary

#66EDA9

secondary

#C0377C

accent

#0A74DB

background

#FCFFFD

surface

#F6FEF9

border

#D0D6D2

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EDA9

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

Preview Lab → · Contrast checker → · Palette generator →