#66F09D#66F09D

#66F09D is a very light, vivid green. Relative luminance 0.676; OKLCH L 85.8% C 0.168 H 154.2°. Best body text is #000000 at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#66F09D
RGB	rgb(102, 240, 157)
HSL	hsl(144, 82%, 67%)
HSV	hsv(144, 58%, 94%)
CMYK	cmyk(57.5%, 0%, 34.6%, 5.9%)
CIE-LAB	lab(85.79, -55.76, 29.13)
CIE-LCH	lch(85.79, 62.91, 152.41°)
OKLab	oklab(85.82% -0.1514 0.0732)
OKLCH	oklch(85.82% 0.168 154.2)
XYZ	xyz(42.7219, 67.5752, 42.6837)
Luminance	0.6758 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F09D #F066B9

analogous

#74F066 #66F09D #66F0E2

triadic

#66F09D #9D66F0 #F09D66

tetradic

#66F09D #6674F0 #F066B9 #F0E266

square

#66F09D #6674F0 #F066B9 #F0E266

split-complementary

#66F09D #E266F0 #F06674

monochromatic

#14C85C #2EEB79 #66F09D #9EF5C1 #D5FBE4

Accessibility & contrast

On white

1.45

#66F09D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.52

#66F09D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F09D

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F09D	#FFFFFF	#000000	##000000
##66F09D	1.00	1.45	14.52	14.52
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.52	21.00	1.00	1.00
##000000	14.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DE98

Deuteranopia (green-blind)

#DDD1A2

Tritanopia (blue-blind)

#38EDDB

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66f09d;
/* rgb */ color: rgb(102, 240, 157);
/* oklch */ color: oklch(85.8% 0.168 154.2);

Tailwind

colors: {
  custom: {
    50: '#9df6ba',
    500: '#66f09d',
    950: '#000000',
  },
}

SCSS

$custom: #66f09d;
$custom-light: #9df6ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66f09d",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 157
  },
  "hsl": {
    "h": 143.913,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85825,
    "c": 0.16813,
    "h": 154.2
  },
  "luminance": 0.67579
}

Semantic roles & 50–950 ramp

primary

#66F09D

secondary

#C5358C

accent

#0789DF

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F09D

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

Preview Lab → · Contrast checker → · Palette generator →